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Finding the Third Proportional to 111.94 and 234

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Solution

The third proportional to 111.94 and 234 is: 489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.94 : 234 = 234 : x
  2. Step 2: Convert to fraction form
    111.94/234 = 234/x
  3. Step 3: Cross multiply
    111.94x = 234 × 234
  4. Step 4: Simplify right side
    111.94x = 54,756
  5. Step 5: Solve for x
    x = 54,756/111.94
  6. Step 6: Final answer
    x = 489.17

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.