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Finding the Third Proportional to 10.92 and 16.69

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Solution

The third proportional to 10.92 and 16.69 is: 25.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.92 : 16.69 = 16.69 : x
  2. Step 2: Convert to fraction form
    10.92/16.69 = 16.69/x
  3. Step 3: Cross multiply
    10.92x = 16.69 × 16.69
  4. Step 4: Simplify right side
    10.92x = 278.47
  5. Step 5: Solve for x
    x = 278.47/10.92
  6. Step 6: Final answer
    x = 25.50

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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.