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Finding the Third Proportional to 103,922 and 223,288

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Solution

The third proportional to 103,922 and 223,288 is: 479,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,922 : 223,288 = 223,288 : x
  2. Step 2: Convert to fraction form
    103,922/223,288 = 223,288/x
  3. Step 3: Cross multiply
    103,922x = 223,288 × 223,288
  4. Step 4: Simplify right side
    103,922x = 49,857,530,944
  5. Step 5: Solve for x
    x = 49,857,530,944/103,922
  6. Step 6: Final answer
    x = 479,759.16

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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.