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Finding the Third Proportional to 87,617.11 and 131,279.91

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Solution

The third proportional to 87,617.11 and 131,279.91 is: 196,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,617.11 : 131,279.91 = 131,279.91 : x
  2. Step 2: Convert to fraction form
    87,617.11/131,279.91 = 131,279.91/x
  3. Step 3: Cross multiply
    87,617.11x = 131,279.91 × 131,279.91
  4. Step 4: Simplify right side
    87,617.11x = 17,234,413,785.01
  5. Step 5: Solve for x
    x = 17,234,413,785.01/87,617.11
  6. Step 6: Final answer
    x = 196,701.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.