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Finding the Third Proportional to 874.13 and 1,793.81

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Solution

The third proportional to 874.13 and 1,793.81 is: 3,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    874.13 : 1,793.81 = 1,793.81 : x
  2. Step 2: Convert to fraction form
    874.13/1,793.81 = 1,793.81/x
  3. Step 3: Cross multiply
    874.13x = 1,793.81 × 1,793.81
  4. Step 4: Simplify right side
    874.13x = 3,217,763.29
  5. Step 5: Solve for x
    x = 3,217,763.29/874.13
  6. Step 6: Final answer
    x = 3,681.12

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.