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Finding the Third Proportional to 81,850 and 172,592

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Solution

The third proportional to 81,850 and 172,592 is: 363,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,850 : 172,592 = 172,592 : x
  2. Step 2: Convert to fraction form
    81,850/172,592 = 172,592/x
  3. Step 3: Cross multiply
    81,850x = 172,592 × 172,592
  4. Step 4: Simplify right side
    81,850x = 29,787,998,464
  5. Step 5: Solve for x
    x = 29,787,998,464/81,850
  6. Step 6: Final answer
    x = 363,934.01

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.