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Finding the Third Proportional to 174.50 and 292.50

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Solution

The third proportional to 174.50 and 292.50 is: 490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.50 : 292.50 = 292.50 : x
  2. Step 2: Convert to fraction form
    174.50/292.50 = 292.50/x
  3. Step 3: Cross multiply
    174.50x = 292.50 × 292.50
  4. Step 4: Simplify right side
    174.50x = 85,556.25
  5. Step 5: Solve for x
    x = 85,556.25/174.50
  6. Step 6: Final answer
    x = 490.29

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.