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Finding the Third Proportional to 174 and 221.50

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Solution

The third proportional to 174 and 221.50 is: 281.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    174 : 221.50 = 221.50 : x
  2. Step 2: Convert to fraction form
    174/221.50 = 221.50/x
  3. Step 3: Cross multiply
    174x = 221.50 × 221.50
  4. Step 4: Simplify right side
    174x = 49,062.25
  5. Step 5: Solve for x
    x = 49,062.25/174
  6. Step 6: Final answer
    x = 281.97

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These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.