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Finding the Third Proportional to 159 and 241.31

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Solution

The third proportional to 159 and 241.31 is: 366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159 : 241.31 = 241.31 : x
  2. Step 2: Convert to fraction form
    159/241.31 = 241.31/x
  3. Step 3: Cross multiply
    159x = 241.31 × 241.31
  4. Step 4: Simplify right side
    159x = 58,231.72
  5. Step 5: Solve for x
    x = 58,231.72/159
  6. Step 6: Final answer
    x = 366.24

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.