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Finding the Third Proportional to 8,466 and 18,372

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Solution

The third proportional to 8,466 and 18,372 is: 39,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466 : 18,372 = 18,372 : x
  2. Step 2: Convert to fraction form
    8,466/18,372 = 18,372/x
  3. Step 3: Cross multiply
    8,466x = 18,372 × 18,372
  4. Step 4: Simplify right side
    8,466x = 337,530,384
  5. Step 5: Solve for x
    x = 337,530,384/8,466
  6. Step 6: Final answer
    x = 39,868.93

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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.