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Finding the Third Proportional to 46 and 105.75

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Solution

The third proportional to 46 and 105.75 is: 243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    46 : 105.75 = 105.75 : x
  2. Step 2: Convert to fraction form
    46/105.75 = 105.75/x
  3. Step 3: Cross multiply
    46x = 105.75 × 105.75
  4. Step 4: Simplify right side
    46x = 11,183.06
  5. Step 5: Solve for x
    x = 11,183.06/46
  6. Step 6: Final answer
    x = 243.11

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.