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Finding the Third Proportional to 1,892 and 2,771.50

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Solution

The third proportional to 1,892 and 2,771.50 is: 4,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892 : 2,771.50 = 2,771.50 : x
  2. Step 2: Convert to fraction form
    1,892/2,771.50 = 2,771.50/x
  3. Step 3: Cross multiply
    1,892x = 2,771.50 × 2,771.50
  4. Step 4: Simplify right side
    1,892x = 7,681,212.25
  5. Step 5: Solve for x
    x = 7,681,212.25/1,892
  6. Step 6: Final answer
    x = 4,059.84

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.