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Finding the Third Proportional to 1.44 and 2.24

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Solution

The third proportional to 1.44 and 2.24 is: 3.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.44 : 2.24 = 2.24 : x
  2. Step 2: Convert to fraction form
    1.44/2.24 = 2.24/x
  3. Step 3: Cross multiply
    1.44x = 2.24 × 2.24
  4. Step 4: Simplify right side
    1.44x = 5.04
  5. Step 5: Solve for x
    x = 5.04/1.44
  6. Step 6: Final answer
    x = 3.49

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.