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Finding the Third Proportional to 204,941 and 313,630

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Solution

The third proportional to 204,941 and 313,630 is: 479,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,941 : 313,630 = 313,630 : x
  2. Step 2: Convert to fraction form
    204,941/313,630 = 313,630/x
  3. Step 3: Cross multiply
    204,941x = 313,630 × 313,630
  4. Step 4: Simplify right side
    204,941x = 98,363,776,900
  5. Step 5: Solve for x
    x = 98,363,776,900/204,941
  6. Step 6: Final answer
    x = 479,961.44

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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.