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Finding the Third Proportional to 204,532 and 313,939

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Solution

The third proportional to 204,532 and 313,939 is: 481,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,532 : 313,939 = 313,939 : x
  2. Step 2: Convert to fraction form
    204,532/313,939 = 313,939/x
  3. Step 3: Cross multiply
    204,532x = 313,939 × 313,939
  4. Step 4: Simplify right side
    204,532x = 98,557,695,721
  5. Step 5: Solve for x
    x = 98,557,695,721/204,532
  6. Step 6: Final answer
    x = 481,869.32

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.