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Finding the Third Proportional to 793.38 and 1,722.88

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Solution

The third proportional to 793.38 and 1,722.88 is: 3,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.38 : 1,722.88 = 1,722.88 : x
  2. Step 2: Convert to fraction form
    793.38/1,722.88 = 1,722.88/x
  3. Step 3: Cross multiply
    793.38x = 1,722.88 × 1,722.88
  4. Step 4: Simplify right side
    793.38x = 2,968,298.27
  5. Step 5: Solve for x
    x = 2,968,298.27/793.38
  6. Step 6: Final answer
    x = 3,741.36

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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.