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Finding the Third Proportional to 3,952 and 8,561

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Solution

The third proportional to 3,952 and 8,561 is: 18,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952 : 8,561 = 8,561 : x
  2. Step 2: Convert to fraction form
    3,952/8,561 = 8,561/x
  3. Step 3: Cross multiply
    3,952x = 8,561 × 8,561
  4. Step 4: Simplify right side
    3,952x = 73,290,721
  5. Step 5: Solve for x
    x = 73,290,721/3,952
  6. Step 6: Final answer
    x = 18,545.22

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.