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Finding the Third Proportional to 80,435 and 176,625

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Solution

The third proportional to 80,435 and 176,625 is: 387,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,435 : 176,625 = 176,625 : x
  2. Step 2: Convert to fraction form
    80,435/176,625 = 176,625/x
  3. Step 3: Cross multiply
    80,435x = 176,625 × 176,625
  4. Step 4: Simplify right side
    80,435x = 31,196,390,625
  5. Step 5: Solve for x
    x = 31,196,390,625/80,435
  6. Step 6: Final answer
    x = 387,845.97

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.