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Finding the Third Proportional to 3,631 and 6,806

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Solution

The third proportional to 3,631 and 6,806 is: 12,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631 : 6,806 = 6,806 : x
  2. Step 2: Convert to fraction form
    3,631/6,806 = 6,806/x
  3. Step 3: Cross multiply
    3,631x = 6,806 × 6,806
  4. Step 4: Simplify right side
    3,631x = 46,321,636
  5. Step 5: Solve for x
    x = 46,321,636/3,631
  6. Step 6: Final answer
    x = 12,757.27

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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.