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Finding the Third Proportional to 40.75 and 61.25

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Solution

The third proportional to 40.75 and 61.25 is: 92.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.75 : 61.25 = 61.25 : x
  2. Step 2: Convert to fraction form
    40.75/61.25 = 61.25/x
  3. Step 3: Cross multiply
    40.75x = 61.25 × 61.25
  4. Step 4: Simplify right side
    40.75x = 3,751.56
  5. Step 5: Solve for x
    x = 3,751.56/40.75
  6. Step 6: Final answer
    x = 92.06

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