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Finding the Third Proportional to 223,886 and 376,005

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Solution

The third proportional to 223,886 and 376,005 is: 631,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,886 : 376,005 = 376,005 : x
  2. Step 2: Convert to fraction form
    223,886/376,005 = 376,005/x
  3. Step 3: Cross multiply
    223,886x = 376,005 × 376,005
  4. Step 4: Simplify right side
    223,886x = 141,379,760,025
  5. Step 5: Solve for x
    x = 141,379,760,025/223,886
  6. Step 6: Final answer
    x = 631,481.02

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.