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Finding the Third Proportional to 854.44 and 1,868.63

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Solution

The third proportional to 854.44 and 1,868.63 is: 4,086.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    854.44 : 1,868.63 = 1,868.63 : x
  2. Step 2: Convert to fraction form
    854.44/1,868.63 = 1,868.63/x
  3. Step 3: Cross multiply
    854.44x = 1,868.63 × 1,868.63
  4. Step 4: Simplify right side
    854.44x = 3,491,759.39
  5. Step 5: Solve for x
    x = 3,491,759.39/854.44
  6. Step 6: Final answer
    x = 4,086.62

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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.