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Finding the Third Proportional to 858,474 and 1,787,592.94

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Solution

The third proportional to 858,474 and 1,787,592.94 is: 3,722,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,474 : 1,787,592.94 = 1,787,592.94 : x
  2. Step 2: Convert to fraction form
    858,474/1,787,592.94 = 1,787,592.94/x
  3. Step 3: Cross multiply
    858,474x = 1,787,592.94 × 1,787,592.94
  4. Step 4: Simplify right side
    858,474x = 3,195,488,510,199.88
  5. Step 5: Solve for x
    x = 3,195,488,510,199.88/858,474
  6. Step 6: Final answer
    x = 3,722,289.21

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.