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Finding the Third Proportional to 194,872 and 419,822

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Solution

The third proportional to 194,872 and 419,822 is: 904,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,872 : 419,822 = 419,822 : x
  2. Step 2: Convert to fraction form
    194,872/419,822 = 419,822/x
  3. Step 3: Cross multiply
    194,872x = 419,822 × 419,822
  4. Step 4: Simplify right side
    194,872x = 176,250,511,684
  5. Step 5: Solve for x
    x = 176,250,511,684/194,872
  6. Step 6: Final answer
    x = 904,442.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.