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Finding the Third Proportional to 3,381 and 6,635

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Solution

The third proportional to 3,381 and 6,635 is: 13,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381 : 6,635 = 6,635 : x
  2. Step 2: Convert to fraction form
    3,381/6,635 = 6,635/x
  3. Step 3: Cross multiply
    3,381x = 6,635 × 6,635
  4. Step 4: Simplify right side
    3,381x = 44,023,225
  5. Step 5: Solve for x
    x = 44,023,225/3,381
  6. Step 6: Final answer
    x = 13,020.77

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Why These Related Problems?

These problems maintain the same ratio (1.96) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.