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Finding the Third Proportional to 539,631 and 779,607

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Solution

The third proportional to 539,631 and 779,607 is: 1,126,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,631 : 779,607 = 779,607 : x
  2. Step 2: Convert to fraction form
    539,631/779,607 = 779,607/x
  3. Step 3: Cross multiply
    539,631x = 779,607 × 779,607
  4. Step 4: Simplify right side
    539,631x = 607,787,074,449
  5. Step 5: Solve for x
    x = 607,787,074,449/539,631
  6. Step 6: Final answer
    x = 1,126,301.26

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.