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Finding the Third Proportional to 3,474.56 and 7,237.13

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Solution

The third proportional to 3,474.56 and 7,237.13 is: 15,074.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.56 : 7,237.13 = 7,237.13 : x
  2. Step 2: Convert to fraction form
    3,474.56/7,237.13 = 7,237.13/x
  3. Step 3: Cross multiply
    3,474.56x = 7,237.13 × 7,237.13
  4. Step 4: Simplify right side
    3,474.56x = 52,375,978.27
  5. Step 5: Solve for x
    x = 52,375,978.27/3,474.56
  6. Step 6: Final answer
    x = 15,074.12

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.