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Finding the Third Proportional to 90,149 and 192,806

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Solution

The third proportional to 90,149 and 192,806 is: 412,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,149 : 192,806 = 192,806 : x
  2. Step 2: Convert to fraction form
    90,149/192,806 = 192,806/x
  3. Step 3: Cross multiply
    90,149x = 192,806 × 192,806
  4. Step 4: Simplify right side
    90,149x = 37,174,153,636
  5. Step 5: Solve for x
    x = 37,174,153,636/90,149
  6. Step 6: Final answer
    x = 412,363.46

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.