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Finding the Third Proportional to 112 and 266.75

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Solution

The third proportional to 112 and 266.75 is: 635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112 : 266.75 = 266.75 : x
  2. Step 2: Convert to fraction form
    112/266.75 = 266.75/x
  3. Step 3: Cross multiply
    112x = 266.75 × 266.75
  4. Step 4: Simplify right side
    112x = 71,155.56
  5. Step 5: Solve for x
    x = 71,155.56/112
  6. Step 6: Final answer
    x = 635.32

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.