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Finding the Third Proportional to 203.06 and 426.38

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Solution

The third proportional to 203.06 and 426.38 is: 895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.06 : 426.38 = 426.38 : x
  2. Step 2: Convert to fraction form
    203.06/426.38 = 426.38/x
  3. Step 3: Cross multiply
    203.06x = 426.38 × 426.38
  4. Step 4: Simplify right side
    203.06x = 181,795.64
  5. Step 5: Solve for x
    x = 181,795.64/203.06
  6. Step 6: Final answer
    x = 895.27

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.