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Finding the Third Proportional to 1,822.75 and 3,904.75

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Solution

The third proportional to 1,822.75 and 3,904.75 is: 8,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.75 : 3,904.75 = 3,904.75 : x
  2. Step 2: Convert to fraction form
    1,822.75/3,904.75 = 3,904.75/x
  3. Step 3: Cross multiply
    1,822.75x = 3,904.75 × 3,904.75
  4. Step 4: Simplify right side
    1,822.75x = 15,247,072.56
  5. Step 5: Solve for x
    x = 15,247,072.56/1,822.75
  6. Step 6: Final answer
    x = 8,364.87

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.