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Finding the Third Proportional to 1,822 and 3,994.25

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Solution

The third proportional to 1,822 and 3,994.25 is: 8,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822 : 3,994.25 = 3,994.25 : x
  2. Step 2: Convert to fraction form
    1,822/3,994.25 = 3,994.25/x
  3. Step 3: Cross multiply
    1,822x = 3,994.25 × 3,994.25
  4. Step 4: Simplify right side
    1,822x = 15,954,033.06
  5. Step 5: Solve for x
    x = 15,954,033.06/1,822
  6. Step 6: Final answer
    x = 8,756.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.