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Finding the Third Proportional to 241.13 and 518.38

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Solution

The third proportional to 241.13 and 518.38 is: 1,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.13 : 518.38 = 518.38 : x
  2. Step 2: Convert to fraction form
    241.13/518.38 = 518.38/x
  3. Step 3: Cross multiply
    241.13x = 518.38 × 518.38
  4. Step 4: Simplify right side
    241.13x = 268,712.64
  5. Step 5: Solve for x
    x = 268,712.64/241.13
  6. Step 6: Final answer
    x = 1,114.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.