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Finding the Third Proportional to 1,282.92 and 1,546.17

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Solution

The third proportional to 1,282.92 and 1,546.17 is: 1,863.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.92 : 1,546.17 = 1,546.17 : x
  2. Step 2: Convert to fraction form
    1,282.92/1,546.17 = 1,546.17/x
  3. Step 3: Cross multiply
    1,282.92x = 1,546.17 × 1,546.17
  4. Step 4: Simplify right side
    1,282.92x = 2,390,647.47
  5. Step 5: Solve for x
    x = 2,390,647.47/1,282.92
  6. Step 6: Final answer
    x = 1,863.44

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.