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Finding the Third Proportional to 3,138 and 5,934

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Solution

The third proportional to 3,138 and 5,934 is: 11,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138 : 5,934 = 5,934 : x
  2. Step 2: Convert to fraction form
    3,138/5,934 = 5,934/x
  3. Step 3: Cross multiply
    3,138x = 5,934 × 5,934
  4. Step 4: Simplify right side
    3,138x = 35,212,356
  5. Step 5: Solve for x
    x = 35,212,356/3,138
  6. Step 6: Final answer
    x = 11,221.27

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.