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Finding the Third Proportional to 3,387.75 and 4,494.75

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Solution

The third proportional to 3,387.75 and 4,494.75 is: 5,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.75 : 4,494.75 = 4,494.75 : x
  2. Step 2: Convert to fraction form
    3,387.75/4,494.75 = 4,494.75/x
  3. Step 3: Cross multiply
    3,387.75x = 4,494.75 × 4,494.75
  4. Step 4: Simplify right side
    3,387.75x = 20,202,777.56
  5. Step 5: Solve for x
    x = 20,202,777.56/3,387.75
  6. Step 6: Final answer
    x = 5,963.48

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.