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Finding the Third Proportional to 203,910 and 323,893.50

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Solution

The third proportional to 203,910 and 323,893.50 is: 514,476.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,910 : 323,893.50 = 323,893.50 : x
  2. Step 2: Convert to fraction form
    203,910/323,893.50 = 323,893.50/x
  3. Step 3: Cross multiply
    203,910x = 323,893.50 × 323,893.50
  4. Step 4: Simplify right side
    203,910x = 104,906,999,342.25
  5. Step 5: Solve for x
    x = 104,906,999,342.25/203,910
  6. Step 6: Final answer
    x = 514,476.97

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.