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Finding the Third Proportional to 192,115.50 and 276,711

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Solution

The third proportional to 192,115.50 and 276,711 is: 398,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,115.50 : 276,711 = 276,711 : x
  2. Step 2: Convert to fraction form
    192,115.50/276,711 = 276,711/x
  3. Step 3: Cross multiply
    192,115.50x = 276,711 × 276,711
  4. Step 4: Simplify right side
    192,115.50x = 76,568,977,521
  5. Step 5: Solve for x
    x = 76,568,977,521/192,115.50
  6. Step 6: Final answer
    x = 398,557.00

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.