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Finding the Third Proportional to 2.82 and 6.83

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Solution

The third proportional to 2.82 and 6.83 is: 16.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.82 : 6.83 = 6.83 : x
  2. Step 2: Convert to fraction form
    2.82/6.83 = 6.83/x
  3. Step 3: Cross multiply
    2.82x = 6.83 × 6.83
  4. Step 4: Simplify right side
    2.82x = 46.61
  5. Step 5: Solve for x
    x = 46.61/2.82
  6. Step 6: Final answer
    x = 16.54

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.