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Finding the Third Proportional to 5.46 and 12.02

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Solution

The third proportional to 5.46 and 12.02 is: 26.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.46 : 12.02 = 12.02 : x
  2. Step 2: Convert to fraction form
    5.46/12.02 = 12.02/x
  3. Step 3: Cross multiply
    5.46x = 12.02 × 12.02
  4. Step 4: Simplify right side
    5.46x = 144.56
  5. Step 5: Solve for x
    x = 144.56/5.46
  6. Step 6: Final answer
    x = 26.47

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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.