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Finding the Third Proportional to 134.75 and 163

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Solution

The third proportional to 134.75 and 163 is: 197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.75 : 163 = 163 : x
  2. Step 2: Convert to fraction form
    134.75/163 = 163/x
  3. Step 3: Cross multiply
    134.75x = 163 × 163
  4. Step 4: Simplify right side
    134.75x = 26,569
  5. Step 5: Solve for x
    x = 26,569/134.75
  6. Step 6: Final answer
    x = 197.17

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.