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Finding the Third Proportional to 5,454.56 and 11,744.16

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Solution

The third proportional to 5,454.56 and 11,744.16 is: 25,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.56 : 11,744.16 = 11,744.16 : x
  2. Step 2: Convert to fraction form
    5,454.56/11,744.16 = 11,744.16/x
  3. Step 3: Cross multiply
    5,454.56x = 11,744.16 × 11,744.16
  4. Step 4: Simplify right side
    5,454.56x = 137,925,206.02
  5. Step 5: Solve for x
    x = 137,925,206.02/5,454.56
  6. Step 6: Final answer
    x = 25,286.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.