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Finding the Third Proportional to 3,881 and 6,817

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Solution

The third proportional to 3,881 and 6,817 is: 11,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881 : 6,817 = 6,817 : x
  2. Step 2: Convert to fraction form
    3,881/6,817 = 6,817/x
  3. Step 3: Cross multiply
    3,881x = 6,817 × 6,817
  4. Step 4: Simplify right side
    3,881x = 46,471,489
  5. Step 5: Solve for x
    x = 46,471,489/3,881
  6. Step 6: Final answer
    x = 11,974.10

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.