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Finding the Third Proportional to 32.75 and 76.63

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Solution

The third proportional to 32.75 and 76.63 is: 179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.75 : 76.63 = 76.63 : x
  2. Step 2: Convert to fraction form
    32.75/76.63 = 76.63/x
  3. Step 3: Cross multiply
    32.75x = 76.63 × 76.63
  4. Step 4: Simplify right side
    32.75x = 5,871.39
  5. Step 5: Solve for x
    x = 5,871.39/32.75
  6. Step 6: Final answer
    x = 179.28

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.