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Finding the Third Proportional to 518.44 and 793.03

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Solution

The third proportional to 518.44 and 793.03 is: 1,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    518.44 : 793.03 = 793.03 : x
  2. Step 2: Convert to fraction form
    518.44/793.03 = 793.03/x
  3. Step 3: Cross multiply
    518.44x = 793.03 × 793.03
  4. Step 4: Simplify right side
    518.44x = 628,898.56
  5. Step 5: Solve for x
    x = 628,898.56/518.44
  6. Step 6: Final answer
    x = 1,213.07

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.