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Finding the Third Proportional to 436,176 and 888,390

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Solution

The third proportional to 436,176 and 888,390 is: 1,809,445.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,176 : 888,390 = 888,390 : x
  2. Step 2: Convert to fraction form
    436,176/888,390 = 888,390/x
  3. Step 3: Cross multiply
    436,176x = 888,390 × 888,390
  4. Step 4: Simplify right side
    436,176x = 789,236,792,100
  5. Step 5: Solve for x
    x = 789,236,792,100/436,176
  6. Step 6: Final answer
    x = 1,809,445.71

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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.