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Finding the Third Proportional to 23.28 and 51.17

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Solution

The third proportional to 23.28 and 51.17 is: 112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.28 : 51.17 = 51.17 : x
  2. Step 2: Convert to fraction form
    23.28/51.17 = 51.17/x
  3. Step 3: Cross multiply
    23.28x = 51.17 × 51.17
  4. Step 4: Simplify right side
    23.28x = 2,618.56
  5. Step 5: Solve for x
    x = 2,618.56/23.28
  6. Step 6: Final answer
    x = 112.48

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.