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Finding the Third Proportional to 429,529 and 888,787

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Solution

The third proportional to 429,529 and 888,787 is: 1,839,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,529 : 888,787 = 888,787 : x
  2. Step 2: Convert to fraction form
    429,529/888,787 = 888,787/x
  3. Step 3: Cross multiply
    429,529x = 888,787 × 888,787
  4. Step 4: Simplify right side
    429,529x = 789,942,331,369
  5. Step 5: Solve for x
    x = 789,942,331,369/429,529
  6. Step 6: Final answer
    x = 1,839,089.63

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.