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Finding the Third Proportional to 71,395 and 155,497

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Solution

The third proportional to 71,395 and 155,497 is: 338,669.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,395 : 155,497 = 155,497 : x
  2. Step 2: Convert to fraction form
    71,395/155,497 = 155,497/x
  3. Step 3: Cross multiply
    71,395x = 155,497 × 155,497
  4. Step 4: Simplify right side
    71,395x = 24,179,317,009
  5. Step 5: Solve for x
    x = 24,179,317,009/71,395
  6. Step 6: Final answer
    x = 338,669.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.