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Finding the Third Proportional to 3.29 and 5.62

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Solution

The third proportional to 3.29 and 5.62 is: 9.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.29 : 5.62 = 5.62 : x
  2. Step 2: Convert to fraction form
    3.29/5.62 = 5.62/x
  3. Step 3: Cross multiply
    3.29x = 5.62 × 5.62
  4. Step 4: Simplify right side
    3.29x = 31.60
  5. Step 5: Solve for x
    x = 31.60/3.29
  6. Step 6: Final answer
    x = 9.60

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.