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Finding the Third Proportional to 18.73 and 25.52

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Solution

The third proportional to 18.73 and 25.52 is: 34.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.73 : 25.52 = 25.52 : x
  2. Step 2: Convert to fraction form
    18.73/25.52 = 25.52/x
  3. Step 3: Cross multiply
    18.73x = 25.52 × 25.52
  4. Step 4: Simplify right side
    18.73x = 651.45
  5. Step 5: Solve for x
    x = 651.45/18.73
  6. Step 6: Final answer
    x = 34.79

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.