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Finding the Third Proportional to 24.28 and 27.75

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Solution

The third proportional to 24.28 and 27.75 is: 31.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.28 : 27.75 = 27.75 : x
  2. Step 2: Convert to fraction form
    24.28/27.75 = 27.75/x
  3. Step 3: Cross multiply
    24.28x = 27.75 × 27.75
  4. Step 4: Simplify right side
    24.28x = 770.06
  5. Step 5: Solve for x
    x = 770.06/24.28
  6. Step 6: Final answer
    x = 31.71

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.