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Finding the Third Proportional to 103,917 and 223,863

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Solution

The third proportional to 103,917 and 223,863 is: 482,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,917 : 223,863 = 223,863 : x
  2. Step 2: Convert to fraction form
    103,917/223,863 = 223,863/x
  3. Step 3: Cross multiply
    103,917x = 223,863 × 223,863
  4. Step 4: Simplify right side
    103,917x = 50,114,642,769
  5. Step 5: Solve for x
    x = 50,114,642,769/103,917
  6. Step 6: Final answer
    x = 482,256.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.