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Finding the Third Proportional to 241.75 and 491.38

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Solution

The third proportional to 241.75 and 491.38 is: 998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.75 : 491.38 = 491.38 : x
  2. Step 2: Convert to fraction form
    241.75/491.38 = 491.38/x
  3. Step 3: Cross multiply
    241.75x = 491.38 × 491.38
  4. Step 4: Simplify right side
    241.75x = 241,449.39
  5. Step 5: Solve for x
    x = 241,449.39/241.75
  6. Step 6: Final answer
    x = 998.76

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.