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Finding the Third Proportional to 3,549.75 and 5,310.75

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Solution

The third proportional to 3,549.75 and 5,310.75 is: 7,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.75 : 5,310.75 = 5,310.75 : x
  2. Step 2: Convert to fraction form
    3,549.75/5,310.75 = 5,310.75/x
  3. Step 3: Cross multiply
    3,549.75x = 5,310.75 × 5,310.75
  4. Step 4: Simplify right side
    3,549.75x = 28,204,065.56
  5. Step 5: Solve for x
    x = 28,204,065.56/3,549.75
  6. Step 6: Final answer
    x = 7,945.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.