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Finding the Third Proportional to 2,450.25 and 4,272.75

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Solution

The third proportional to 2,450.25 and 4,272.75 is: 7,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.25 : 4,272.75 = 4,272.75 : x
  2. Step 2: Convert to fraction form
    2,450.25/4,272.75 = 4,272.75/x
  3. Step 3: Cross multiply
    2,450.25x = 4,272.75 × 4,272.75
  4. Step 4: Simplify right side
    2,450.25x = 18,256,392.56
  5. Step 5: Solve for x
    x = 18,256,392.56/2,450.25
  6. Step 6: Final answer
    x = 7,450.83

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.