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Finding the Third Proportional to 194,878 and 419,836

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Solution

The third proportional to 194,878 and 419,836 is: 904,474.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,878 : 419,836 = 419,836 : x
  2. Step 2: Convert to fraction form
    194,878/419,836 = 419,836/x
  3. Step 3: Cross multiply
    194,878x = 419,836 × 419,836
  4. Step 4: Simplify right side
    194,878x = 176,262,266,896
  5. Step 5: Solve for x
    x = 176,262,266,896/194,878
  6. Step 6: Final answer
    x = 904,474.94

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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.