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Finding the Third Proportional to 83,700 and 125,543.25

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Solution

The third proportional to 83,700 and 125,543.25 is: 188,304.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,700 : 125,543.25 = 125,543.25 : x
  2. Step 2: Convert to fraction form
    83,700/125,543.25 = 125,543.25/x
  3. Step 3: Cross multiply
    83,700x = 125,543.25 × 125,543.25
  4. Step 4: Simplify right side
    83,700x = 15,761,107,620.56
  5. Step 5: Solve for x
    x = 15,761,107,620.56/83,700
  6. Step 6: Final answer
    x = 188,304.75

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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.