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Finding the Third Proportional to 1,745 and 3,742.75

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Solution

The third proportional to 1,745 and 3,742.75 is: 8,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745 : 3,742.75 = 3,742.75 : x
  2. Step 2: Convert to fraction form
    1,745/3,742.75 = 3,742.75/x
  3. Step 3: Cross multiply
    1,745x = 3,742.75 × 3,742.75
  4. Step 4: Simplify right side
    1,745x = 14,008,177.56
  5. Step 5: Solve for x
    x = 14,008,177.56/1,745
  6. Step 6: Final answer
    x = 8,027.61

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.