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Finding the Third Proportional to 487,782 and 750,691

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Solution

The third proportional to 487,782 and 750,691 is: 1,155,304.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,782 : 750,691 = 750,691 : x
  2. Step 2: Convert to fraction form
    487,782/750,691 = 750,691/x
  3. Step 3: Cross multiply
    487,782x = 750,691 × 750,691
  4. Step 4: Simplify right side
    487,782x = 563,536,977,481
  5. Step 5: Solve for x
    x = 563,536,977,481/487,782
  6. Step 6: Final answer
    x = 1,155,304.99

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.