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Finding the Third Proportional to 118,563.75 and 177,849

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Solution

The third proportional to 118,563.75 and 177,849 is: 266,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,563.75 : 177,849 = 177,849 : x
  2. Step 2: Convert to fraction form
    118,563.75/177,849 = 177,849/x
  3. Step 3: Cross multiply
    118,563.75x = 177,849 × 177,849
  4. Step 4: Simplify right side
    118,563.75x = 31,630,266,801
  5. Step 5: Solve for x
    x = 31,630,266,801/118,563.75
  6. Step 6: Final answer
    x = 266,778.56

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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.