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Finding the Third Proportional to 1,741.43 and 3,828.80

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Solution

The third proportional to 1,741.43 and 3,828.80 is: 8,418.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.43 : 3,828.80 = 3,828.80 : x
  2. Step 2: Convert to fraction form
    1,741.43/3,828.80 = 3,828.80/x
  3. Step 3: Cross multiply
    1,741.43x = 3,828.80 × 3,828.80
  4. Step 4: Simplify right side
    1,741.43x = 14,659,685.51
  5. Step 5: Solve for x
    x = 14,659,685.51/1,741.43
  6. Step 6: Final answer
    x = 8,418.19

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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.