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Finding the Third Proportional to 80,486 and 171,367

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Solution

The third proportional to 80,486 and 171,367 is: 364,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,486 : 171,367 = 171,367 : x
  2. Step 2: Convert to fraction form
    80,486/171,367 = 171,367/x
  3. Step 3: Cross multiply
    80,486x = 171,367 × 171,367
  4. Step 4: Simplify right side
    80,486x = 29,366,648,689
  5. Step 5: Solve for x
    x = 29,366,648,689/80,486
  6. Step 6: Final answer
    x = 364,866.54

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.