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Finding the Third Proportional to 664.97 and 1,446.56

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Solution

The third proportional to 664.97 and 1,446.56 is: 3,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    664.97 : 1,446.56 = 1,446.56 : x
  2. Step 2: Convert to fraction form
    664.97/1,446.56 = 1,446.56/x
  3. Step 3: Cross multiply
    664.97x = 1,446.56 × 1,446.56
  4. Step 4: Simplify right side
    664.97x = 2,092,543.07
  5. Step 5: Solve for x
    x = 2,092,543.07/664.97
  6. Step 6: Final answer
    x = 3,146.83

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.