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Finding the Third Proportional to 342.75 and 450

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Solution

The third proportional to 342.75 and 450 is: 590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.75 : 450 = 450 : x
  2. Step 2: Convert to fraction form
    342.75/450 = 450/x
  3. Step 3: Cross multiply
    342.75x = 450 × 450
  4. Step 4: Simplify right side
    342.75x = 202,500
  5. Step 5: Solve for x
    x = 202,500/342.75
  6. Step 6: Final answer
    x = 590.81

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These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.