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Finding the Third Proportional to 349.75 and 908.88

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Solution

The third proportional to 349.75 and 908.88 is: 2,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.75 : 908.88 = 908.88 : x
  2. Step 2: Convert to fraction form
    349.75/908.88 = 908.88/x
  3. Step 3: Cross multiply
    349.75x = 908.88 × 908.88
  4. Step 4: Simplify right side
    349.75x = 826,053.77
  5. Step 5: Solve for x
    x = 826,053.77/349.75
  6. Step 6: Final answer
    x = 2,361.84

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Why These Related Problems?

These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.