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Finding the Third Proportional to 132.73 and 194.75

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Solution

The third proportional to 132.73 and 194.75 is: 285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.73 : 194.75 = 194.75 : x
  2. Step 2: Convert to fraction form
    132.73/194.75 = 194.75/x
  3. Step 3: Cross multiply
    132.73x = 194.75 × 194.75
  4. Step 4: Simplify right side
    132.73x = 37,926.80
  5. Step 5: Solve for x
    x = 37,926.80/132.73
  6. Step 6: Final answer
    x = 285.74

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.