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Finding the Third Proportional to 10.41 and 13.92

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Solution

The third proportional to 10.41 and 13.92 is: 18.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.41 : 13.92 = 13.92 : x
  2. Step 2: Convert to fraction form
    10.41/13.92 = 13.92/x
  3. Step 3: Cross multiply
    10.41x = 13.92 × 13.92
  4. Step 4: Simplify right side
    10.41x = 193.82
  5. Step 5: Solve for x
    x = 193.82/10.41
  6. Step 6: Final answer
    x = 18.63

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.