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Finding the Third Proportional to 6,682 and 11,906

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Solution

The third proportional to 6,682 and 11,906 is: 21,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,682 : 11,906 = 11,906 : x
  2. Step 2: Convert to fraction form
    6,682/11,906 = 11,906/x
  3. Step 3: Cross multiply
    6,682x = 11,906 × 11,906
  4. Step 4: Simplify right side
    6,682x = 141,752,836
  5. Step 5: Solve for x
    x = 141,752,836/6,682
  6. Step 6: Final answer
    x = 21,214.13

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.