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Finding the Third Proportional to 3,375.42 and 5,340.30

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Solution

The third proportional to 3,375.42 and 5,340.30 is: 8,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.42 : 5,340.30 = 5,340.30 : x
  2. Step 2: Convert to fraction form
    3,375.42/5,340.30 = 5,340.30/x
  3. Step 3: Cross multiply
    3,375.42x = 5,340.30 × 5,340.30
  4. Step 4: Simplify right side
    3,375.42x = 28,518,854.16
  5. Step 5: Solve for x
    x = 28,518,854.16/3,375.42
  6. Step 6: Final answer
    x = 8,448.97

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.