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Finding the Third Proportional to 103,698 and 222,137

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Solution

The third proportional to 103,698 and 222,137 is: 475,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,698 : 222,137 = 222,137 : x
  2. Step 2: Convert to fraction form
    103,698/222,137 = 222,137/x
  3. Step 3: Cross multiply
    103,698x = 222,137 × 222,137
  4. Step 4: Simplify right side
    103,698x = 49,344,846,769
  5. Step 5: Solve for x
    x = 49,344,846,769/103,698
  6. Step 6: Final answer
    x = 475,851.48

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.