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Finding the Third Proportional to 429,532 and 888,790

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Solution

The third proportional to 429,532 and 888,790 is: 1,839,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,532 : 888,790 = 888,790 : x
  2. Step 2: Convert to fraction form
    429,532/888,790 = 888,790/x
  3. Step 3: Cross multiply
    429,532x = 888,790 × 888,790
  4. Step 4: Simplify right side
    429,532x = 789,947,664,100
  5. Step 5: Solve for x
    x = 789,947,664,100/429,532
  6. Step 6: Final answer
    x = 1,839,089.20

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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.