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Finding the Third Proportional to 3.61 and 6.24

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Solution

The third proportional to 3.61 and 6.24 is: 10.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.61 : 6.24 = 6.24 : x
  2. Step 2: Convert to fraction form
    3.61/6.24 = 6.24/x
  3. Step 3: Cross multiply
    3.61x = 6.24 × 6.24
  4. Step 4: Simplify right side
    3.61x = 38.88
  5. Step 5: Solve for x
    x = 38.88/3.61
  6. Step 6: Final answer
    x = 10.76

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Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.