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Finding the Third Proportional to 41.25 and 45.25

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Solution

The third proportional to 41.25 and 45.25 is: 49.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.25 : 45.25 = 45.25 : x
  2. Step 2: Convert to fraction form
    41.25/45.25 = 45.25/x
  3. Step 3: Cross multiply
    41.25x = 45.25 × 45.25
  4. Step 4: Simplify right side
    41.25x = 2,047.56
  5. Step 5: Solve for x
    x = 2,047.56/41.25
  6. Step 6: Final answer
    x = 49.64

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.