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Product Sum Calculator

Enter the product and sum values, and the calculator will determine the combination numbers of the quadratic equation formed, with the steps displayed.

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Product Sum Calculator

Our free Product Sum Calculator helps you determine two numbers given their product and sum. Whether you need exact values of variables (x, y) or a complete step-by-step solution, this calculator simplifies the process instantly.

What is Product Sum in Math?

Definition: In mathematics, the sum of products refers to calculations where multiplication is applied first, followed by addition, subtraction, or division as needed. When two numbers are known by their sum and product, you can find the numbers using algebraic methods.

Formula for Sum and Product of Two Numbers

  • Sum of roots: x + y = -b/a
  • Product of roots: xy = c/a

How to Find Numbers from a Given Product and Sum

  • Assume the unknown numbers as variables, e.g., x and y.
  • Write the known data as two equations: x + y = sum and xy = product.
  • Use substitution or the quadratic formula to solve for x and y.

You can verify your results using our online summation calculator.

Solved Example

Problem: Find two numbers with a product of 24 and a sum of 44.

Solution:

  • Let the numbers be x and y.
  • Product: xy = 24
  • Sum: x + y = 44 ⇒ y = 44 - x

Substitute y into the product equation:

$$ x(44 - x) = 24 $$

$$ -x^2 + 44x - 24 = 0 $$

Rewrite in standard quadratic form:

$$ x^2 - 44x + 24 = 0 $$

Using the quadratic formula:

$$ x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a} $$

Where a = 1, b = -44, c = 24:

$$ x = \frac{44 \pm \sqrt{1936 - 96}}{2} $$

$$ x = \frac{44 \pm \sqrt{1840}}{2} $$

$$ x_1 \approx 43.4476, \quad x_2 \approx 0.5524 $$

Hence, the two numbers are approximately 43.4476 and 0.5524. You can confirm using the product sum calculator.

How the Product Sum Calculator Works

Input:

  • Enter the product of the numbers.
  • Enter the sum of the numbers.
  • Click “Calculate”.

Output:

  • Solves the quadratic equation derived from the sum and product.
  • Displays a step-by-step solution for clarity.

For further verification, you can use our Quadratic Formula Calculator.

FAQs

What is meant by Sum?

The sum is the result of adding two or more numbers. Here, it is the value x + y.

What is Product in Math?

The product is the result of multiplying two or more numbers. Here, it is the value xy.

What is the Sum-Product Rule?

In probability, the sum rule finds the chance of either of two mutually exclusive events, while the product rule finds the probability of both events occurring independently.

Conclusion

Using the Product Sum Calculator, you can quickly find two numbers from their sum and product. It is particularly useful for solving quadratic equations derived from real-life problems, offering accurate, step-by-step solutions.

References

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