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Finding the Third Proportional to 896.20 and 1,936.55

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Solution

The third proportional to 896.20 and 1,936.55 is: 4,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.20 : 1,936.55 = 1,936.55 : x
  2. Step 2: Convert to fraction form
    896.20/1,936.55 = 1,936.55/x
  3. Step 3: Cross multiply
    896.20x = 1,936.55 × 1,936.55
  4. Step 4: Simplify right side
    896.20x = 3,750,213.80
  5. Step 5: Solve for x
    x = 3,750,213.80/896.20
  6. Step 6: Final answer
    x = 4,184.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.