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Finding the Third Proportional to 441.56 and 662.16

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Solution

The third proportional to 441.56 and 662.16 is: 992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.56 : 662.16 = 662.16 : x
  2. Step 2: Convert to fraction form
    441.56/662.16 = 662.16/x
  3. Step 3: Cross multiply
    441.56x = 662.16 × 662.16
  4. Step 4: Simplify right side
    441.56x = 438,450.90
  5. Step 5: Solve for x
    x = 438,450.90/441.56
  6. Step 6: Final answer
    x = 992.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.