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Finding the Third Proportional to 132.75 and 237.94

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Solution

The third proportional to 132.75 and 237.94 is: 426.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.75 : 237.94 = 237.94 : x
  2. Step 2: Convert to fraction form
    132.75/237.94 = 237.94/x
  3. Step 3: Cross multiply
    132.75x = 237.94 × 237.94
  4. Step 4: Simplify right side
    132.75x = 56,614.25
  5. Step 5: Solve for x
    x = 56,614.25/132.75
  6. Step 6: Final answer
    x = 426.47

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.