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Finding the Third Proportional to 351.84 and 851.44

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Solution

The third proportional to 351.84 and 851.44 is: 2,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.84 : 851.44 = 851.44 : x
  2. Step 2: Convert to fraction form
    351.84/851.44 = 851.44/x
  3. Step 3: Cross multiply
    351.84x = 851.44 × 851.44
  4. Step 4: Simplify right side
    351.84x = 724,945.82
  5. Step 5: Solve for x
    x = 724,945.82/351.84
  6. Step 6: Final answer
    x = 2,060.42

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.