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Finding the Third Proportional to 243.88 and 365.44

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Solution

The third proportional to 243.88 and 365.44 is: 547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.88 : 365.44 = 365.44 : x
  2. Step 2: Convert to fraction form
    243.88/365.44 = 365.44/x
  3. Step 3: Cross multiply
    243.88x = 365.44 × 365.44
  4. Step 4: Simplify right side
    243.88x = 133,544.57
  5. Step 5: Solve for x
    x = 133,544.57/243.88
  6. Step 6: Final answer
    x = 547.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.