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Finding the Third Proportional to 192,330 and 445,210.50

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Solution

The third proportional to 192,330 and 445,210.50 is: 1,030,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,330 : 445,210.50 = 445,210.50 : x
  2. Step 2: Convert to fraction form
    192,330/445,210.50 = 445,210.50/x
  3. Step 3: Cross multiply
    192,330x = 445,210.50 × 445,210.50
  4. Step 4: Simplify right side
    192,330x = 198,212,389,310.25
  5. Step 5: Solve for x
    x = 198,212,389,310.25/192,330
  6. Step 6: Final answer
    x = 1,030,584.88

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.