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Finding the Third Proportional to 192,903 and 306,958.50

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Solution

The third proportional to 192,903 and 306,958.50 is: 488,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,903 : 306,958.50 = 306,958.50 : x
  2. Step 2: Convert to fraction form
    192,903/306,958.50 = 306,958.50/x
  3. Step 3: Cross multiply
    192,903x = 306,958.50 × 306,958.50
  4. Step 4: Simplify right side
    192,903x = 94,223,520,722.25
  5. Step 5: Solve for x
    x = 94,223,520,722.25/192,903
  6. Step 6: Final answer
    x = 488,450.26

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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.