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Finding the Third Proportional to 1,821.94 and 2,733.28

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Solution

The third proportional to 1,821.94 and 2,733.28 is: 4,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.94 : 2,733.28 = 2,733.28 : x
  2. Step 2: Convert to fraction form
    1,821.94/2,733.28 = 2,733.28/x
  3. Step 3: Cross multiply
    1,821.94x = 2,733.28 × 2,733.28
  4. Step 4: Simplify right side
    1,821.94x = 7,470,826.39
  5. Step 5: Solve for x
    x = 7,470,826.39/1,821.94
  6. Step 6: Final answer
    x = 4,100.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.