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Finding the Third Proportional to 133,072 and 199,608

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Solution

The third proportional to 133,072 and 199,608 is: 299,412

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,072 : 199,608 = 199,608 : x
  2. Step 2: Convert to fraction form
    133,072/199,608 = 199,608/x
  3. Step 3: Cross multiply
    133,072x = 199,608 × 199,608
  4. Step 4: Simplify right side
    133,072x = 39,843,353,664
  5. Step 5: Solve for x
    x = 39,843,353,664/133,072
  6. Step 6: Final answer
    x = 299,412

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Why These Related Problems?

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