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Finding the Third Proportional to 87,041.25 and 138,337.88

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Solution

The third proportional to 87,041.25 and 138,337.88 is: 219,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,041.25 : 138,337.88 = 138,337.88 : x
  2. Step 2: Convert to fraction form
    87,041.25/138,337.88 = 138,337.88/x
  3. Step 3: Cross multiply
    87,041.25x = 138,337.88 × 138,337.88
  4. Step 4: Simplify right side
    87,041.25x = 19,137,367,659.52
  5. Step 5: Solve for x
    x = 19,137,367,659.52/87,041.25
  6. Step 6: Final answer
    x = 219,865.50

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.