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Finding the Third Proportional to 267,936 and 363,864

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Solution

The third proportional to 267,936 and 363,864 is: 494,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,936 : 363,864 = 363,864 : x
  2. Step 2: Convert to fraction form
    267,936/363,864 = 363,864/x
  3. Step 3: Cross multiply
    267,936x = 363,864 × 363,864
  4. Step 4: Simplify right side
    267,936x = 132,397,010,496
  5. Step 5: Solve for x
    x = 132,397,010,496/267,936
  6. Step 6: Final answer
    x = 494,136.70

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.