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Finding the Third Proportional to 660.56 and 1,446.88

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Solution

The third proportional to 660.56 and 1,446.88 is: 3,169.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    660.56 : 1,446.88 = 1,446.88 : x
  2. Step 2: Convert to fraction form
    660.56/1,446.88 = 1,446.88/x
  3. Step 3: Cross multiply
    660.56x = 1,446.88 × 1,446.88
  4. Step 4: Simplify right side
    660.56x = 2,093,447.27
  5. Step 5: Solve for x
    x = 2,093,447.27/660.56
  6. Step 6: Final answer
    x = 3,169.19

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.