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Finding the Third Proportional to 141.75 and 165

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Solution

The third proportional to 141.75 and 165 is: 192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.75 : 165 = 165 : x
  2. Step 2: Convert to fraction form
    141.75/165 = 165/x
  3. Step 3: Cross multiply
    141.75x = 165 × 165
  4. Step 4: Simplify right side
    141.75x = 27,225
  5. Step 5: Solve for x
    x = 27,225/141.75
  6. Step 6: Final answer
    x = 192.06

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.