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Finding the Third Proportional to 606 and 908.25

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Solution

The third proportional to 606 and 908.25 is: 1,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    606 : 908.25 = 908.25 : x
  2. Step 2: Convert to fraction form
    606/908.25 = 908.25/x
  3. Step 3: Cross multiply
    606x = 908.25 × 908.25
  4. Step 4: Simplify right side
    606x = 824,918.06
  5. Step 5: Solve for x
    x = 824,918.06/606
  6. Step 6: Final answer
    x = 1,361.25

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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.