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Finding the Third Proportional to 251.44 and 547.59

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Solution

The third proportional to 251.44 and 547.59 is: 1,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.44 : 547.59 = 547.59 : x
  2. Step 2: Convert to fraction form
    251.44/547.59 = 547.59/x
  3. Step 3: Cross multiply
    251.44x = 547.59 × 547.59
  4. Step 4: Simplify right side
    251.44x = 299,858.92
  5. Step 5: Solve for x
    x = 299,858.92/251.44
  6. Step 6: Final answer
    x = 1,192.58

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.