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Finding the Third Proportional to 33,687 and 79,377

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Solution

The third proportional to 33,687 and 79,377 is: 187,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,687 : 79,377 = 79,377 : x
  2. Step 2: Convert to fraction form
    33,687/79,377 = 79,377/x
  3. Step 3: Cross multiply
    33,687x = 79,377 × 79,377
  4. Step 4: Simplify right side
    33,687x = 6,300,708,129
  5. Step 5: Solve for x
    x = 6,300,708,129/33,687
  6. Step 6: Final answer
    x = 187,036.78

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.