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Finding the Third Proportional to 226.55 and 490.22

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Solution

The third proportional to 226.55 and 490.22 is: 1,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.55 : 490.22 = 490.22 : x
  2. Step 2: Convert to fraction form
    226.55/490.22 = 490.22/x
  3. Step 3: Cross multiply
    226.55x = 490.22 × 490.22
  4. Step 4: Simplify right side
    226.55x = 240,314.42
  5. Step 5: Solve for x
    x = 240,314.42/226.55
  6. Step 6: Final answer
    x = 1,060.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.