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Finding the Third Proportional to 6.44 and 13.94

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Solution

The third proportional to 6.44 and 13.94 is: 30.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.44 : 13.94 = 13.94 : x
  2. Step 2: Convert to fraction form
    6.44/13.94 = 13.94/x
  3. Step 3: Cross multiply
    6.44x = 13.94 × 13.94
  4. Step 4: Simplify right side
    6.44x = 194.25
  5. Step 5: Solve for x
    x = 194.25/6.44
  6. Step 6: Final answer
    x = 30.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.