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Finding the Third Proportional to 3,311 and 6,181

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Solution

The third proportional to 3,311 and 6,181 is: 11,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311 : 6,181 = 6,181 : x
  2. Step 2: Convert to fraction form
    3,311/6,181 = 6,181/x
  3. Step 3: Cross multiply
    3,311x = 6,181 × 6,181
  4. Step 4: Simplify right side
    3,311x = 38,204,761
  5. Step 5: Solve for x
    x = 38,204,761/3,311
  6. Step 6: Final answer
    x = 11,538.74

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.