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Finding the Third Proportional to 1,512.11 and 2,280.97

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Solution

The third proportional to 1,512.11 and 2,280.97 is: 3,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.11 : 2,280.97 = 2,280.97 : x
  2. Step 2: Convert to fraction form
    1,512.11/2,280.97 = 2,280.97/x
  3. Step 3: Cross multiply
    1,512.11x = 2,280.97 × 2,280.97
  4. Step 4: Simplify right side
    1,512.11x = 5,202,836.26
  5. Step 5: Solve for x
    x = 5,202,836.26/1,512.11
  6. Step 6: Final answer
    x = 3,440.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.