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Finding the Third Proportional to 193,137 and 403,923

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Solution

The third proportional to 193,137 and 403,923 is: 844,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,137 : 403,923 = 403,923 : x
  2. Step 2: Convert to fraction form
    193,137/403,923 = 403,923/x
  3. Step 3: Cross multiply
    193,137x = 403,923 × 403,923
  4. Step 4: Simplify right side
    193,137x = 163,153,789,929
  5. Step 5: Solve for x
    x = 163,153,789,929/193,137
  6. Step 6: Final answer
    x = 844,756.78

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.