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Finding the Third Proportional to 419,454.50 and 629,227

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Solution

The third proportional to 419,454.50 and 629,227 is: 943,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,454.50 : 629,227 = 629,227 : x
  2. Step 2: Convert to fraction form
    419,454.50/629,227 = 629,227/x
  3. Step 3: Cross multiply
    419,454.50x = 629,227 × 629,227
  4. Step 4: Simplify right side
    419,454.50x = 395,926,617,529
  5. Step 5: Solve for x
    x = 395,926,617,529/419,454.50
  6. Step 6: Final answer
    x = 943,908.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.