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Finding the Third Proportional to 137,965 and 211,504

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Solution

The third proportional to 137,965 and 211,504 is: 324,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,965 : 211,504 = 211,504 : x
  2. Step 2: Convert to fraction form
    137,965/211,504 = 211,504/x
  3. Step 3: Cross multiply
    137,965x = 211,504 × 211,504
  4. Step 4: Simplify right side
    137,965x = 44,733,942,016
  5. Step 5: Solve for x
    x = 44,733,942,016/137,965
  6. Step 6: Final answer
    x = 324,241.24

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.