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Finding the Third Proportional to 181 and 481.50

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Solution

The third proportional to 181 and 481.50 is: 1,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181 : 481.50 = 481.50 : x
  2. Step 2: Convert to fraction form
    181/481.50 = 481.50/x
  3. Step 3: Cross multiply
    181x = 481.50 × 481.50
  4. Step 4: Simplify right side
    181x = 231,842.25
  5. Step 5: Solve for x
    x = 231,842.25/181
  6. Step 6: Final answer
    x = 1,280.90

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Why These Related Problems?

These problems maintain the same ratio (2.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.