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Finding the Third Proportional to 547,356.55 and 871,626.29

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Solution

The third proportional to 547,356.55 and 871,626.29 is: 1,388,002.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,356.55 : 871,626.29 = 871,626.29 : x
  2. Step 2: Convert to fraction form
    547,356.55/871,626.29 = 871,626.29/x
  3. Step 3: Cross multiply
    547,356.55x = 871,626.29 × 871,626.29
  4. Step 4: Simplify right side
    547,356.55x = 759,732,384,380.08
  5. Step 5: Solve for x
    x = 759,732,384,380.08/547,356.55
  6. Step 6: Final answer
    x = 1,388,002.73

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.