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Finding the Third Proportional to 6,171 and 11,397

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Solution

The third proportional to 6,171 and 11,397 is: 21,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171 : 11,397 = 11,397 : x
  2. Step 2: Convert to fraction form
    6,171/11,397 = 11,397/x
  3. Step 3: Cross multiply
    6,171x = 11,397 × 11,397
  4. Step 4: Simplify right side
    6,171x = 129,891,609
  5. Step 5: Solve for x
    x = 129,891,609/6,171
  6. Step 6: Final answer
    x = 21,048.71

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.