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Finding the Third Proportional to 249.94 and 543.47

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Solution

The third proportional to 249.94 and 543.47 is: 1,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.94 : 543.47 = 543.47 : x
  2. Step 2: Convert to fraction form
    249.94/543.47 = 543.47/x
  3. Step 3: Cross multiply
    249.94x = 543.47 × 543.47
  4. Step 4: Simplify right side
    249.94x = 295,358.28
  5. Step 5: Solve for x
    x = 295,358.28/249.94
  6. Step 6: Final answer
    x = 1,181.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.