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Finding the Third Proportional to 7.59 and 13.92

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Solution

The third proportional to 7.59 and 13.92 is: 25.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.59 : 13.92 = 13.92 : x
  2. Step 2: Convert to fraction form
    7.59/13.92 = 13.92/x
  3. Step 3: Cross multiply
    7.59x = 13.92 × 13.92
  4. Step 4: Simplify right side
    7.59x = 193.82
  5. Step 5: Solve for x
    x = 193.82/7.59
  6. Step 6: Final answer
    x = 25.52

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Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.