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Finding the Third Proportional to 71,252 and 155,626

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Solution

The third proportional to 71,252 and 155,626 is: 339,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,252 : 155,626 = 155,626 : x
  2. Step 2: Convert to fraction form
    71,252/155,626 = 155,626/x
  3. Step 3: Cross multiply
    71,252x = 155,626 × 155,626
  4. Step 4: Simplify right side
    71,252x = 24,219,451,876
  5. Step 5: Solve for x
    x = 24,219,451,876/71,252
  6. Step 6: Final answer
    x = 339,912.59

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.