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Finding the Third Proportional to 32.88 and 80

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Solution

The third proportional to 32.88 and 80 is: 194.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.88 : 80 = 80 : x
  2. Step 2: Convert to fraction form
    32.88/80 = 80/x
  3. Step 3: Cross multiply
    32.88x = 80 × 80
  4. Step 4: Simplify right side
    32.88x = 6,400
  5. Step 5: Solve for x
    x = 6,400/32.88
  6. Step 6: Final answer
    x = 194.68

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Why These Related Problems?

These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.