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Finding the Third Proportional to 226.50 and 342.25

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Solution

The third proportional to 226.50 and 342.25 is: 517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.50 : 342.25 = 342.25 : x
  2. Step 2: Convert to fraction form
    226.50/342.25 = 342.25/x
  3. Step 3: Cross multiply
    226.50x = 342.25 × 342.25
  4. Step 4: Simplify right side
    226.50x = 117,135.06
  5. Step 5: Solve for x
    x = 117,135.06/226.50
  6. Step 6: Final answer
    x = 517.15

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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.