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Finding the Third Proportional to 2,838.80 and 5,792.70

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Solution

The third proportional to 2,838.80 and 5,792.70 is: 11,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.80 : 5,792.70 = 5,792.70 : x
  2. Step 2: Convert to fraction form
    2,838.80/5,792.70 = 5,792.70/x
  3. Step 3: Cross multiply
    2,838.80x = 5,792.70 × 5,792.70
  4. Step 4: Simplify right side
    2,838.80x = 33,555,318.98
  5. Step 5: Solve for x
    x = 33,555,318.98/2,838.80
  6. Step 6: Final answer
    x = 11,820.26

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.