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Finding the Third Proportional to 1,736.72 and 3,819.66

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Solution

The third proportional to 1,736.72 and 3,819.66 is: 8,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.72 : 3,819.66 = 3,819.66 : x
  2. Step 2: Convert to fraction form
    1,736.72/3,819.66 = 3,819.66/x
  3. Step 3: Cross multiply
    1,736.72x = 3,819.66 × 3,819.66
  4. Step 4: Simplify right side
    1,736.72x = 14,589,773.87
  5. Step 5: Solve for x
    x = 14,589,773.87/1,736.72
  6. Step 6: Final answer
    x = 8,400.77

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.