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Finding the Third Proportional to 80,730 and 176,850

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Solution

The third proportional to 80,730 and 176,850 is: 387,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,730 : 176,850 = 176,850 : x
  2. Step 2: Convert to fraction form
    80,730/176,850 = 176,850/x
  3. Step 3: Cross multiply
    80,730x = 176,850 × 176,850
  4. Step 4: Simplify right side
    80,730x = 31,275,922,500
  5. Step 5: Solve for x
    x = 31,275,922,500/80,730
  6. Step 6: Final answer
    x = 387,413.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.