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Finding the Third Proportional to 403,617,656 and 631,771,868

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Solution

The third proportional to 403,617,656 and 631,771,868 is: 988,895,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,617,656 : 631,771,868 = 631,771,868 : x
  2. Step 2: Convert to fraction form
    403,617,656/631,771,868 = 631,771,868/x
  3. Step 3: Cross multiply
    403,617,656x = 631,771,868 × 631,771,868
  4. Step 4: Simplify right side
    403,617,656x = 399,135,693,196,209,408
  5. Step 5: Solve for x
    x = 399,135,693,196,209,408/403,617,656
  6. Step 6: Final answer
    x = 988,895,523.43

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.