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Finding the Third Proportional to 6.44 and 11.84

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Solution

The third proportional to 6.44 and 11.84 is: 21.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.44 : 11.84 = 11.84 : x
  2. Step 2: Convert to fraction form
    6.44/11.84 = 11.84/x
  3. Step 3: Cross multiply
    6.44x = 11.84 × 11.84
  4. Step 4: Simplify right side
    6.44x = 140.27
  5. Step 5: Solve for x
    x = 140.27/6.44
  6. Step 6: Final answer
    x = 21.79

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.