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Finding the Third Proportional to 422,845 and 880,574

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Solution

The third proportional to 422,845 and 880,574 is: 1,833,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,845 : 880,574 = 880,574 : x
  2. Step 2: Convert to fraction form
    422,845/880,574 = 880,574/x
  3. Step 3: Cross multiply
    422,845x = 880,574 × 880,574
  4. Step 4: Simplify right side
    422,845x = 775,410,569,476
  5. Step 5: Solve for x
    x = 775,410,569,476/422,845
  6. Step 6: Final answer
    x = 1,833,793.87

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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.