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Finding the Third Proportional to 3.44 and 7.56

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Solution

The third proportional to 3.44 and 7.56 is: 16.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.44 : 7.56 = 7.56 : x
  2. Step 2: Convert to fraction form
    3.44/7.56 = 7.56/x
  3. Step 3: Cross multiply
    3.44x = 7.56 × 7.56
  4. Step 4: Simplify right side
    3.44x = 57.19
  5. Step 5: Solve for x
    x = 57.19/3.44
  6. Step 6: Final answer
    x = 16.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.