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Finding the Third Proportional to 3,914.25 and 5,658.75

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Solution

The third proportional to 3,914.25 and 5,658.75 is: 8,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.25 : 5,658.75 = 5,658.75 : x
  2. Step 2: Convert to fraction form
    3,914.25/5,658.75 = 5,658.75/x
  3. Step 3: Cross multiply
    3,914.25x = 5,658.75 × 5,658.75
  4. Step 4: Simplify right side
    3,914.25x = 32,021,451.56
  5. Step 5: Solve for x
    x = 32,021,451.56/3,914.25
  6. Step 6: Final answer
    x = 8,180.74

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.