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Finding the Third Proportional to 83,204 and 129,081

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Solution

The third proportional to 83,204 and 129,081 is: 200,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,204 : 129,081 = 129,081 : x
  2. Step 2: Convert to fraction form
    83,204/129,081 = 129,081/x
  3. Step 3: Cross multiply
    83,204x = 129,081 × 129,081
  4. Step 4: Simplify right side
    83,204x = 16,661,904,561
  5. Step 5: Solve for x
    x = 16,661,904,561/83,204
  6. Step 6: Final answer
    x = 200,253.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.