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Finding the Third Proportional to 2.05 and 4.44

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Solution

The third proportional to 2.05 and 4.44 is: 9.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.05 : 4.44 = 4.44 : x
  2. Step 2: Convert to fraction form
    2.05/4.44 = 4.44/x
  3. Step 3: Cross multiply
    2.05x = 4.44 × 4.44
  4. Step 4: Simplify right side
    2.05x = 19.68
  5. Step 5: Solve for x
    x = 19.68/2.05
  6. Step 6: Final answer
    x = 9.61

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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.