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Finding the Third Proportional to 8,601 and 13,149

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Solution

The third proportional to 8,601 and 13,149 is: 20,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601 : 13,149 = 13,149 : x
  2. Step 2: Convert to fraction form
    8,601/13,149 = 13,149/x
  3. Step 3: Cross multiply
    8,601x = 13,149 × 13,149
  4. Step 4: Simplify right side
    8,601x = 172,896,201
  5. Step 5: Solve for x
    x = 172,896,201/8,601
  6. Step 6: Final answer
    x = 20,101.87

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.