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Finding the Third Proportional to 131.75 and 196.75

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Solution

The third proportional to 131.75 and 196.75 is: 293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.75 : 196.75 = 196.75 : x
  2. Step 2: Convert to fraction form
    131.75/196.75 = 196.75/x
  3. Step 3: Cross multiply
    131.75x = 196.75 × 196.75
  4. Step 4: Simplify right side
    131.75x = 38,710.56
  5. Step 5: Solve for x
    x = 38,710.56/131.75
  6. Step 6: Final answer
    x = 293.82

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.