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Finding the Third Proportional to 223,101 and 339,879

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Solution

The third proportional to 223,101 and 339,879 is: 517,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,101 : 339,879 = 339,879 : x
  2. Step 2: Convert to fraction form
    223,101/339,879 = 339,879/x
  3. Step 3: Cross multiply
    223,101x = 339,879 × 339,879
  4. Step 4: Simplify right side
    223,101x = 115,517,734,641
  5. Step 5: Solve for x
    x = 115,517,734,641/223,101
  6. Step 6: Final answer
    x = 517,782.24

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.