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Finding the Third Proportional to 536.75 and 806.75

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Solution

The third proportional to 536.75 and 806.75 is: 1,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.75 : 806.75 = 806.75 : x
  2. Step 2: Convert to fraction form
    536.75/806.75 = 806.75/x
  3. Step 3: Cross multiply
    536.75x = 806.75 × 806.75
  4. Step 4: Simplify right side
    536.75x = 650,845.56
  5. Step 5: Solve for x
    x = 650,845.56/536.75
  6. Step 6: Final answer
    x = 1,212.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.