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Finding the Third Proportional to 91,204 and 136,442

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Solution

The third proportional to 91,204 and 136,442 is: 204,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,204 : 136,442 = 136,442 : x
  2. Step 2: Convert to fraction form
    91,204/136,442 = 136,442/x
  3. Step 3: Cross multiply
    91,204x = 136,442 × 136,442
  4. Step 4: Simplify right side
    91,204x = 18,616,419,364
  5. Step 5: Solve for x
    x = 18,616,419,364/91,204
  6. Step 6: Final answer
    x = 204,118.45

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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.