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Finding the Third Proportional to 793.69 and 1,621.13

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Solution

The third proportional to 793.69 and 1,621.13 is: 3,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.69 : 1,621.13 = 1,621.13 : x
  2. Step 2: Convert to fraction form
    793.69/1,621.13 = 1,621.13/x
  3. Step 3: Cross multiply
    793.69x = 1,621.13 × 1,621.13
  4. Step 4: Simplify right side
    793.69x = 2,628,046.27
  5. Step 5: Solve for x
    x = 2,628,046.27/793.69
  6. Step 6: Final answer
    x = 3,311.19

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.