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Finding the Third Proportional to 2.62 and 6.18

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Solution

The third proportional to 2.62 and 6.18 is: 14.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.62 : 6.18 = 6.18 : x
  2. Step 2: Convert to fraction form
    2.62/6.18 = 6.18/x
  3. Step 3: Cross multiply
    2.62x = 6.18 × 6.18
  4. Step 4: Simplify right side
    2.62x = 38.23
  5. Step 5: Solve for x
    x = 38.23/2.62
  6. Step 6: Final answer
    x = 14.61

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.