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Finding the Third Proportional to 860 and 2,077

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Solution

The third proportional to 860 and 2,077 is: 5,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    860 : 2,077 = 2,077 : x
  2. Step 2: Convert to fraction form
    860/2,077 = 2,077/x
  3. Step 3: Cross multiply
    860x = 2,077 × 2,077
  4. Step 4: Simplify right side
    860x = 4,313,929
  5. Step 5: Solve for x
    x = 4,313,929/860
  6. Step 6: Final answer
    x = 5,016.20

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.