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Finding the Third Proportional to 87,711 and 181,439.50

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Solution

The third proportional to 87,711 and 181,439.50 is: 375,326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,711 : 181,439.50 = 181,439.50 : x
  2. Step 2: Convert to fraction form
    87,711/181,439.50 = 181,439.50/x
  3. Step 3: Cross multiply
    87,711x = 181,439.50 × 181,439.50
  4. Step 4: Simplify right side
    87,711x = 32,920,292,160.25
  5. Step 5: Solve for x
    x = 32,920,292,160.25/87,711
  6. Step 6: Final answer
    x = 375,326.84

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.