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Finding the Third Proportional to 169.50 and 174

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Solution

The third proportional to 169.50 and 174 is: 178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.50 : 174 = 174 : x
  2. Step 2: Convert to fraction form
    169.50/174 = 174/x
  3. Step 3: Cross multiply
    169.50x = 174 × 174
  4. Step 4: Simplify right side
    169.50x = 30,276
  5. Step 5: Solve for x
    x = 30,276/169.50
  6. Step 6: Final answer
    x = 178.62

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Why These Related Problems?

These problems maintain the same ratio (1.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.