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Finding the Third Proportional to 3.38 and 6.96

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Solution

The third proportional to 3.38 and 6.96 is: 14.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.38 : 6.96 = 6.96 : x
  2. Step 2: Convert to fraction form
    3.38/6.96 = 6.96/x
  3. Step 3: Cross multiply
    3.38x = 6.96 × 6.96
  4. Step 4: Simplify right side
    3.38x = 48.45
  5. Step 5: Solve for x
    x = 48.45/3.38
  6. Step 6: Final answer
    x = 14.36

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.