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Finding the Third Proportional to 226.13 and 342.56

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Solution

The third proportional to 226.13 and 342.56 is: 518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.13 : 342.56 = 342.56 : x
  2. Step 2: Convert to fraction form
    226.13/342.56 = 342.56/x
  3. Step 3: Cross multiply
    226.13x = 342.56 × 342.56
  4. Step 4: Simplify right side
    226.13x = 117,349.07
  5. Step 5: Solve for x
    x = 117,349.07/226.13
  6. Step 6: Final answer
    x = 518.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.