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Finding the Third Proportional to 307 and 450

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Solution

The third proportional to 307 and 450 is: 659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    307 : 450 = 450 : x
  2. Step 2: Convert to fraction form
    307/450 = 450/x
  3. Step 3: Cross multiply
    307x = 450 × 450
  4. Step 4: Simplify right side
    307x = 202,500
  5. Step 5: Solve for x
    x = 202,500/307
  6. Step 6: Final answer
    x = 659.61

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.