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Finding the Third Proportional to 241.75 and 331.88

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Solution

The third proportional to 241.75 and 331.88 is: 455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.75 : 331.88 = 331.88 : x
  2. Step 2: Convert to fraction form
    241.75/331.88 = 331.88/x
  3. Step 3: Cross multiply
    241.75x = 331.88 × 331.88
  4. Step 4: Simplify right side
    241.75x = 110,141.02
  5. Step 5: Solve for x
    x = 110,141.02/241.75
  6. Step 6: Final answer
    x = 455.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.