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Finding the Third Proportional to 2,517.75 and 3,876.19

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Solution

The third proportional to 2,517.75 and 3,876.19 is: 5,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.75 : 3,876.19 = 3,876.19 : x
  2. Step 2: Convert to fraction form
    2,517.75/3,876.19 = 3,876.19/x
  3. Step 3: Cross multiply
    2,517.75x = 3,876.19 × 3,876.19
  4. Step 4: Simplify right side
    2,517.75x = 15,024,829.54
  5. Step 5: Solve for x
    x = 15,024,829.54/2,517.75
  6. Step 6: Final answer
    x = 5,967.56

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.