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Finding the Third Proportional to 174,928.50 and 278,481.38

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Solution

The third proportional to 174,928.50 and 278,481.38 is: 443,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,928.50 : 278,481.38 = 278,481.38 : x
  2. Step 2: Convert to fraction form
    174,928.50/278,481.38 = 278,481.38/x
  3. Step 3: Cross multiply
    174,928.50x = 278,481.38 × 278,481.38
  4. Step 4: Simplify right side
    174,928.50x = 77,551,876,221.89
  5. Step 5: Solve for x
    x = 77,551,876,221.89/174,928.50
  6. Step 6: Final answer
    x = 443,334.71

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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.