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Finding the Third Proportional to 3,898 and 5,857

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Solution

The third proportional to 3,898 and 5,857 is: 8,800.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898 : 5,857 = 5,857 : x
  2. Step 2: Convert to fraction form
    3,898/5,857 = 5,857/x
  3. Step 3: Cross multiply
    3,898x = 5,857 × 5,857
  4. Step 4: Simplify right side
    3,898x = 34,304,449
  5. Step 5: Solve for x
    x = 34,304,449/3,898
  6. Step 6: Final answer
    x = 8,800.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.