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Finding the Third Proportional to 3,432.38 and 4,445.44

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Solution

The third proportional to 3,432.38 and 4,445.44 is: 5,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.38 : 4,445.44 = 4,445.44 : x
  2. Step 2: Convert to fraction form
    3,432.38/4,445.44 = 4,445.44/x
  3. Step 3: Cross multiply
    3,432.38x = 4,445.44 × 4,445.44
  4. Step 4: Simplify right side
    3,432.38x = 19,761,914.57
  5. Step 5: Solve for x
    x = 19,761,914.57/3,432.38
  6. Step 6: Final answer
    x = 5,757.50

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.