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Finding the Third Proportional to 204,424 and 281,496

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Solution

The third proportional to 204,424 and 281,496 is: 387,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,424 : 281,496 = 281,496 : x
  2. Step 2: Convert to fraction form
    204,424/281,496 = 281,496/x
  3. Step 3: Cross multiply
    204,424x = 281,496 × 281,496
  4. Step 4: Simplify right side
    204,424x = 79,239,998,016
  5. Step 5: Solve for x
    x = 79,239,998,016/204,424
  6. Step 6: Final answer
    x = 387,625.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.