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Finding the Third Proportional to 241.75 and 551.13

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Solution

The third proportional to 241.75 and 551.13 is: 1,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.75 : 551.13 = 551.13 : x
  2. Step 2: Convert to fraction form
    241.75/551.13 = 551.13/x
  3. Step 3: Cross multiply
    241.75x = 551.13 × 551.13
  4. Step 4: Simplify right side
    241.75x = 303,738.77
  5. Step 5: Solve for x
    x = 303,738.77/241.75
  6. Step 6: Final answer
    x = 1,256.42

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.