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Finding the Third Proportional to 87,618.38 and 133,160.63

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Solution

The third proportional to 87,618.38 and 133,160.63 is: 202,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,618.38 : 133,160.63 = 133,160.63 : x
  2. Step 2: Convert to fraction form
    87,618.38/133,160.63 = 133,160.63/x
  3. Step 3: Cross multiply
    87,618.38x = 133,160.63 × 133,160.63
  4. Step 4: Simplify right side
    87,618.38x = 17,731,752,050.39
  5. Step 5: Solve for x
    x = 17,731,752,050.39/87,618.38
  6. Step 6: Final answer
    x = 202,374.81

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.