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Finding the Third Proportional to 32.44 and 69.19

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Solution

The third proportional to 32.44 and 69.19 is: 147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.44 : 69.19 = 69.19 : x
  2. Step 2: Convert to fraction form
    32.44/69.19 = 69.19/x
  3. Step 3: Cross multiply
    32.44x = 69.19 × 69.19
  4. Step 4: Simplify right side
    32.44x = 4,786.91
  5. Step 5: Solve for x
    x = 4,786.91/32.44
  6. Step 6: Final answer
    x = 147.57

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.