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Finding the Third Proportional to 168,790.50 and 253,732.50

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Solution

The third proportional to 168,790.50 and 253,732.50 is: 381,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,790.50 : 253,732.50 = 253,732.50 : x
  2. Step 2: Convert to fraction form
    168,790.50/253,732.50 = 253,732.50/x
  3. Step 3: Cross multiply
    168,790.50x = 253,732.50 × 253,732.50
  4. Step 4: Simplify right side
    168,790.50x = 64,380,181,556.25
  5. Step 5: Solve for x
    x = 64,380,181,556.25/168,790.50
  6. Step 6: Final answer
    x = 381,420.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.