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Finding the Third Proportional to 225.94 and 343.22

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Solution

The third proportional to 225.94 and 343.22 is: 521.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.94 : 343.22 = 343.22 : x
  2. Step 2: Convert to fraction form
    225.94/343.22 = 343.22/x
  3. Step 3: Cross multiply
    225.94x = 343.22 × 343.22
  4. Step 4: Simplify right side
    225.94x = 117,799.11
  5. Step 5: Solve for x
    x = 117,799.11/225.94
  6. Step 6: Final answer
    x = 521.38

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.