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Finding the Third Proportional to 3,198.75 and 6,747.38

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Solution

The third proportional to 3,198.75 and 6,747.38 is: 14,232.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.75 : 6,747.38 = 6,747.38 : x
  2. Step 2: Convert to fraction form
    3,198.75/6,747.38 = 6,747.38/x
  3. Step 3: Cross multiply
    3,198.75x = 6,747.38 × 6,747.38
  4. Step 4: Simplify right side
    3,198.75x = 45,527,069.39
  5. Step 5: Solve for x
    x = 45,527,069.39/3,198.75
  6. Step 6: Final answer
    x = 14,232.77

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.