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Finding the Third Proportional to 16.22 and 25.69

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Solution

The third proportional to 16.22 and 25.69 is: 40.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.22 : 25.69 = 25.69 : x
  2. Step 2: Convert to fraction form
    16.22/25.69 = 25.69/x
  3. Step 3: Cross multiply
    16.22x = 25.69 × 25.69
  4. Step 4: Simplify right side
    16.22x = 659.85
  5. Step 5: Solve for x
    x = 659.85/16.22
  6. Step 6: Final answer
    x = 40.68

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.