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Finding the Third Proportional to 3.44 and 7.09

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Solution

The third proportional to 3.44 and 7.09 is: 14.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.44 : 7.09 = 7.09 : x
  2. Step 2: Convert to fraction form
    3.44/7.09 = 7.09/x
  3. Step 3: Cross multiply
    3.44x = 7.09 × 7.09
  4. Step 4: Simplify right side
    3.44x = 50.32
  5. Step 5: Solve for x
    x = 50.32/3.44
  6. Step 6: Final answer
    x = 14.64

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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.