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Finding the Third Proportional to 91,198 and 136,432

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Solution

The third proportional to 91,198 and 136,432 is: 204,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,198 : 136,432 = 136,432 : x
  2. Step 2: Convert to fraction form
    91,198/136,432 = 136,432/x
  3. Step 3: Cross multiply
    91,198x = 136,432 × 136,432
  4. Step 4: Simplify right side
    91,198x = 18,613,690,624
  5. Step 5: Solve for x
    x = 18,613,690,624/91,198
  6. Step 6: Final answer
    x = 204,101.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.