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Finding the Third Proportional to 104,256 and 217,296

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Solution

The third proportional to 104,256 and 217,296 is: 452,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,256 : 217,296 = 217,296 : x
  2. Step 2: Convert to fraction form
    104,256/217,296 = 217,296/x
  3. Step 3: Cross multiply
    104,256x = 217,296 × 217,296
  4. Step 4: Simplify right side
    104,256x = 47,217,551,616
  5. Step 5: Solve for x
    x = 47,217,551,616/104,256
  6. Step 6: Final answer
    x = 452,900.09

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.