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Finding the Third Proportional to 103,661 and 204,884

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Solution

The third proportional to 103,661 and 204,884 is: 404,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,661 : 204,884 = 204,884 : x
  2. Step 2: Convert to fraction form
    103,661/204,884 = 204,884/x
  3. Step 3: Cross multiply
    103,661x = 204,884 × 204,884
  4. Step 4: Simplify right side
    103,661x = 41,977,453,456
  5. Step 5: Solve for x
    x = 41,977,453,456/103,661
  6. Step 6: Final answer
    x = 404,949.34

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.