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Finding the Third Proportional to 32.17 and 66.34

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Solution

The third proportional to 32.17 and 66.34 is: 136.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.17 : 66.34 = 66.34 : x
  2. Step 2: Convert to fraction form
    32.17/66.34 = 66.34/x
  3. Step 3: Cross multiply
    32.17x = 66.34 × 66.34
  4. Step 4: Simplify right side
    32.17x = 4,400.97
  5. Step 5: Solve for x
    x = 4,400.97/32.17
  6. Step 6: Final answer
    x = 136.81

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.