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Finding the Third Proportional to 6,471 and 13,876

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Solution

The third proportional to 6,471 and 13,876 is: 29,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471 : 13,876 = 13,876 : x
  2. Step 2: Convert to fraction form
    6,471/13,876 = 13,876/x
  3. Step 3: Cross multiply
    6,471x = 13,876 × 13,876
  4. Step 4: Simplify right side
    6,471x = 192,543,376
  5. Step 5: Solve for x
    x = 192,543,376/6,471
  6. Step 6: Final answer
    x = 29,754.81

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.