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Finding the Third Proportional to 177,919.50 and 275,193.75

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Solution

The third proportional to 177,919.50 and 275,193.75 is: 425,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,919.50 : 275,193.75 = 275,193.75 : x
  2. Step 2: Convert to fraction form
    177,919.50/275,193.75 = 275,193.75/x
  3. Step 3: Cross multiply
    177,919.50x = 275,193.75 × 275,193.75
  4. Step 4: Simplify right side
    177,919.50x = 75,731,600,039.06
  5. Step 5: Solve for x
    x = 75,731,600,039.06/177,919.50
  6. Step 6: Final answer
    x = 425,650.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.