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Finding the Third Proportional to 351.38 and 822.94

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Solution

The third proportional to 351.38 and 822.94 is: 1,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.38 : 822.94 = 822.94 : x
  2. Step 2: Convert to fraction form
    351.38/822.94 = 822.94/x
  3. Step 3: Cross multiply
    351.38x = 822.94 × 822.94
  4. Step 4: Simplify right side
    351.38x = 677,226.13
  5. Step 5: Solve for x
    x = 677,226.13/351.38
  6. Step 6: Final answer
    x = 1,927.36

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.