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Finding the Third Proportional to 3,787 and 8,725

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Solution

The third proportional to 3,787 and 8,725 is: 20,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787 : 8,725 = 8,725 : x
  2. Step 2: Convert to fraction form
    3,787/8,725 = 8,725/x
  3. Step 3: Cross multiply
    3,787x = 8,725 × 8,725
  4. Step 4: Simplify right side
    3,787x = 76,125,625
  5. Step 5: Solve for x
    x = 76,125,625/3,787
  6. Step 6: Final answer
    x = 20,101.83

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.