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Finding the Third Proportional to 3,729 and 5,227.25

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Solution

The third proportional to 3,729 and 5,227.25 is: 7,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729 : 5,227.25 = 5,227.25 : x
  2. Step 2: Convert to fraction form
    3,729/5,227.25 = 5,227.25/x
  3. Step 3: Cross multiply
    3,729x = 5,227.25 × 5,227.25
  4. Step 4: Simplify right side
    3,729x = 27,324,142.56
  5. Step 5: Solve for x
    x = 27,324,142.56/3,729
  6. Step 6: Final answer
    x = 7,327.47

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.