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Finding the Third Proportional to 1,252.97 and 1,790.16

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Solution

The third proportional to 1,252.97 and 1,790.16 is: 2,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.97 : 1,790.16 = 1,790.16 : x
  2. Step 2: Convert to fraction form
    1,252.97/1,790.16 = 1,790.16/x
  3. Step 3: Cross multiply
    1,252.97x = 1,790.16 × 1,790.16
  4. Step 4: Simplify right side
    1,252.97x = 3,204,659.40
  5. Step 5: Solve for x
    x = 3,204,659.40/1,252.97
  6. Step 6: Final answer
    x = 2,557.65

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.