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Finding the Third Proportional to 351.84 and 849.80

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Solution

The third proportional to 351.84 and 849.80 is: 2,052.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.84 : 849.80 = 849.80 : x
  2. Step 2: Convert to fraction form
    351.84/849.80 = 849.80/x
  3. Step 3: Cross multiply
    351.84x = 849.80 × 849.80
  4. Step 4: Simplify right side
    351.84x = 722,154.73
  5. Step 5: Solve for x
    x = 722,154.73/351.84
  6. Step 6: Final answer
    x = 2,052.49

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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.