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Finding the Third Proportional to 174 and 189.25

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Solution

The third proportional to 174 and 189.25 is: 205.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    174 : 189.25 = 189.25 : x
  2. Step 2: Convert to fraction form
    174/189.25 = 189.25/x
  3. Step 3: Cross multiply
    174x = 189.25 × 189.25
  4. Step 4: Simplify right side
    174x = 35,815.56
  5. Step 5: Solve for x
    x = 35,815.56/174
  6. Step 6: Final answer
    x = 205.84

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.