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Finding the Third Proportional to 350.86 and 738.84

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Solution

The third proportional to 350.86 and 738.84 is: 1,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.86 : 738.84 = 738.84 : x
  2. Step 2: Convert to fraction form
    350.86/738.84 = 738.84/x
  3. Step 3: Cross multiply
    350.86x = 738.84 × 738.84
  4. Step 4: Simplify right side
    350.86x = 545,890.09
  5. Step 5: Solve for x
    x = 545,890.09/350.86
  6. Step 6: Final answer
    x = 1,555.87

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.