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Finding the Third Proportional to 338.50 and 737.56

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Solution

The third proportional to 338.50 and 737.56 is: 1,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.50 : 737.56 = 737.56 : x
  2. Step 2: Convert to fraction form
    338.50/737.56 = 737.56/x
  3. Step 3: Cross multiply
    338.50x = 737.56 × 737.56
  4. Step 4: Simplify right side
    338.50x = 543,998.44
  5. Step 5: Solve for x
    x = 543,998.44/338.50
  6. Step 6: Final answer
    x = 1,607.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.