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Finding the Third Proportional to 131.75 and 195

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Solution

The third proportional to 131.75 and 195 is: 288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.75 : 195 = 195 : x
  2. Step 2: Convert to fraction form
    131.75/195 = 195/x
  3. Step 3: Cross multiply
    131.75x = 195 × 195
  4. Step 4: Simplify right side
    131.75x = 38,025
  5. Step 5: Solve for x
    x = 38,025/131.75
  6. Step 6: Final answer
    x = 288.61

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.