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Finding the Third Proportional to 177,313 and 272,531

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Solution

The third proportional to 177,313 and 272,531 is: 418,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,313 : 272,531 = 272,531 : x
  2. Step 2: Convert to fraction form
    177,313/272,531 = 272,531/x
  3. Step 3: Cross multiply
    177,313x = 272,531 × 272,531
  4. Step 4: Simplify right side
    177,313x = 74,273,145,961
  5. Step 5: Solve for x
    x = 74,273,145,961/177,313
  6. Step 6: Final answer
    x = 418,881.56

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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.