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Finding the Third Proportional to 97 and 188.75

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Solution

The third proportional to 97 and 188.75 is: 367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97 : 188.75 = 188.75 : x
  2. Step 2: Convert to fraction form
    97/188.75 = 188.75/x
  3. Step 3: Cross multiply
    97x = 188.75 × 188.75
  4. Step 4: Simplify right side
    97x = 35,626.56
  5. Step 5: Solve for x
    x = 35,626.56/97
  6. Step 6: Final answer
    x = 367.28

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.