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Finding the Third Proportional to 141,001.31 and 218,436.75

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Solution

The third proportional to 141,001.31 and 218,436.75 is: 338,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,001.31 : 218,436.75 = 218,436.75 : x
  2. Step 2: Convert to fraction form
    141,001.31/218,436.75 = 218,436.75/x
  3. Step 3: Cross multiply
    141,001.31x = 218,436.75 × 218,436.75
  4. Step 4: Simplify right side
    141,001.31x = 47,714,613,750.56
  5. Step 5: Solve for x
    x = 47,714,613,750.56/141,001.31
  6. Step 6: Final answer
    x = 338,398.37

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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.