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Finding the Third Proportional to 606.38 and 908.63

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Solution

The third proportional to 606.38 and 908.63 is: 1,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.38 : 908.63 = 908.63 : x
  2. Step 2: Convert to fraction form
    606.38/908.63 = 908.63/x
  3. Step 3: Cross multiply
    606.38x = 908.63 × 908.63
  4. Step 4: Simplify right side
    606.38x = 825,599.39
  5. Step 5: Solve for x
    x = 825,599.39/606.38
  6. Step 6: Final answer
    x = 1,361.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.