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Finding the Third Proportional to 4.46 and 7.24

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Solution

The third proportional to 4.46 and 7.24 is: 11.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.46 : 7.24 = 7.24 : x
  2. Step 2: Convert to fraction form
    4.46/7.24 = 7.24/x
  3. Step 3: Cross multiply
    4.46x = 7.24 × 7.24
  4. Step 4: Simplify right side
    4.46x = 52.39
  5. Step 5: Solve for x
    x = 52.39/4.46
  6. Step 6: Final answer
    x = 11.73

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.