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Finding the Third Proportional to 279,073.50 and 445,538.25

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Solution

The third proportional to 279,073.50 and 445,538.25 is: 711,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,073.50 : 445,538.25 = 445,538.25 : x
  2. Step 2: Convert to fraction form
    279,073.50/445,538.25 = 445,538.25/x
  3. Step 3: Cross multiply
    279,073.50x = 445,538.25 × 445,538.25
  4. Step 4: Simplify right side
    279,073.50x = 198,504,332,213.06
  5. Step 5: Solve for x
    x = 198,504,332,213.06/279,073.50
  6. Step 6: Final answer
    x = 711,297.68

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.