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Finding the Third Proportional to 41.25 and 89.75

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Solution

The third proportional to 41.25 and 89.75 is: 195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.25 : 89.75 = 89.75 : x
  2. Step 2: Convert to fraction form
    41.25/89.75 = 89.75/x
  3. Step 3: Cross multiply
    41.25x = 89.75 × 89.75
  4. Step 4: Simplify right side
    41.25x = 8,055.06
  5. Step 5: Solve for x
    x = 8,055.06/41.25
  6. Step 6: Final answer
    x = 195.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.