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Finding the Third Proportional to 38,650 and 81,452

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Solution

The third proportional to 38,650 and 81,452 is: 171,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,650 : 81,452 = 81,452 : x
  2. Step 2: Convert to fraction form
    38,650/81,452 = 81,452/x
  3. Step 3: Cross multiply
    38,650x = 81,452 × 81,452
  4. Step 4: Simplify right side
    38,650x = 6,634,428,304
  5. Step 5: Solve for x
    x = 6,634,428,304/38,650
  6. Step 6: Final answer
    x = 171,654.03

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.