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Finding the Third Proportional to 8,650.97 and 18,691.59

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Solution

The third proportional to 8,650.97 and 18,691.59 is: 40,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.97 : 18,691.59 = 18,691.59 : x
  2. Step 2: Convert to fraction form
    8,650.97/18,691.59 = 18,691.59/x
  3. Step 3: Cross multiply
    8,650.97x = 18,691.59 × 18,691.59
  4. Step 4: Simplify right side
    8,650.97x = 349,375,676.92
  5. Step 5: Solve for x
    x = 349,375,676.92/8,650.97
  6. Step 6: Final answer
    x = 40,385.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.