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Finding the Third Proportional to 850.13 and 1,986.19

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Solution

The third proportional to 850.13 and 1,986.19 is: 4,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.13 : 1,986.19 = 1,986.19 : x
  2. Step 2: Convert to fraction form
    850.13/1,986.19 = 1,986.19/x
  3. Step 3: Cross multiply
    850.13x = 1,986.19 × 1,986.19
  4. Step 4: Simplify right side
    850.13x = 3,944,940.79
  5. Step 5: Solve for x
    x = 3,944,940.79/850.13
  6. Step 6: Final answer
    x = 4,640.42

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.