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Finding the Third Proportional to 71,663 and 155,599

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Solution

The third proportional to 71,663 and 155,599 is: 337,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,663 : 155,599 = 155,599 : x
  2. Step 2: Convert to fraction form
    71,663/155,599 = 155,599/x
  3. Step 3: Cross multiply
    71,663x = 155,599 × 155,599
  4. Step 4: Simplify right side
    71,663x = 24,211,048,801
  5. Step 5: Solve for x
    x = 24,211,048,801/71,663
  6. Step 6: Final answer
    x = 337,845.87

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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.