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Finding the Third Proportional to 204,512 and 313,937

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Solution

The third proportional to 204,512 and 313,937 is: 481,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,512 : 313,937 = 313,937 : x
  2. Step 2: Convert to fraction form
    204,512/313,937 = 313,937/x
  3. Step 3: Cross multiply
    204,512x = 313,937 × 313,937
  4. Step 4: Simplify right side
    204,512x = 98,556,439,969
  5. Step 5: Solve for x
    x = 98,556,439,969/204,512
  6. Step 6: Final answer
    x = 481,910.30

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.