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Finding the Third Proportional to 71,553 and 155,397

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Solution

The third proportional to 71,553 and 155,397 is: 337,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,553 : 155,397 = 155,397 : x
  2. Step 2: Convert to fraction form
    71,553/155,397 = 155,397/x
  3. Step 3: Cross multiply
    71,553x = 155,397 × 155,397
  4. Step 4: Simplify right side
    71,553x = 24,148,227,609
  5. Step 5: Solve for x
    x = 24,148,227,609/71,553
  6. Step 6: Final answer
    x = 337,487.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.