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Finding the Third Proportional to 111.75 and 174

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Solution

The third proportional to 111.75 and 174 is: 270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.75 : 174 = 174 : x
  2. Step 2: Convert to fraction form
    111.75/174 = 174/x
  3. Step 3: Cross multiply
    111.75x = 174 × 174
  4. Step 4: Simplify right side
    111.75x = 30,276
  5. Step 5: Solve for x
    x = 30,276/111.75
  6. Step 6: Final answer
    x = 270.93

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.