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Finding the Third Proportional to 15.25 and 23.38

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Solution

The third proportional to 15.25 and 23.38 is: 35.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.25 : 23.38 = 23.38 : x
  2. Step 2: Convert to fraction form
    15.25/23.38 = 23.38/x
  3. Step 3: Cross multiply
    15.25x = 23.38 × 23.38
  4. Step 4: Simplify right side
    15.25x = 546.39
  5. Step 5: Solve for x
    x = 546.39/15.25
  6. Step 6: Final answer
    x = 35.83

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.