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Finding the Third Proportional to 3,397.50 and 6,708.38

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Solution

The third proportional to 3,397.50 and 6,708.38 is: 13,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.50 : 6,708.38 = 6,708.38 : x
  2. Step 2: Convert to fraction form
    3,397.50/6,708.38 = 6,708.38/x
  3. Step 3: Cross multiply
    3,397.50x = 6,708.38 × 6,708.38
  4. Step 4: Simplify right side
    3,397.50x = 45,002,295.14
  5. Step 5: Solve for x
    x = 45,002,295.14/3,397.50
  6. Step 6: Final answer
    x = 13,245.71

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.