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Finding the Third Proportional to 1,079 and 2,015

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Solution

The third proportional to 1,079 and 2,015 is: 3,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079 : 2,015 = 2,015 : x
  2. Step 2: Convert to fraction form
    1,079/2,015 = 2,015/x
  3. Step 3: Cross multiply
    1,079x = 2,015 × 2,015
  4. Step 4: Simplify right side
    1,079x = 4,060,225
  5. Step 5: Solve for x
    x = 4,060,225/1,079
  6. Step 6: Final answer
    x = 3,762.95

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.