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Finding the Third Proportional to 850.75 and 1,868.63

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Solution

The third proportional to 850.75 and 1,868.63 is: 4,104.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.75 : 1,868.63 = 1,868.63 : x
  2. Step 2: Convert to fraction form
    850.75/1,868.63 = 1,868.63/x
  3. Step 3: Cross multiply
    850.75x = 1,868.63 × 1,868.63
  4. Step 4: Simplify right side
    850.75x = 3,491,759.39
  5. Step 5: Solve for x
    x = 3,491,759.39/850.75
  6. Step 6: Final answer
    x = 4,104.33

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.