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Finding the Third Proportional to 24.75 and 36.75

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Solution

The third proportional to 24.75 and 36.75 is: 54.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.75 : 36.75 = 36.75 : x
  2. Step 2: Convert to fraction form
    24.75/36.75 = 36.75/x
  3. Step 3: Cross multiply
    24.75x = 36.75 × 36.75
  4. Step 4: Simplify right side
    24.75x = 1,350.56
  5. Step 5: Solve for x
    x = 1,350.56/24.75
  6. Step 6: Final answer
    x = 54.57

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.