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Finding the Third Proportional to 128,168.02 and 276,057.49

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Solution

The third proportional to 128,168.02 and 276,057.49 is: 594,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,168.02 : 276,057.49 = 276,057.49 : x
  2. Step 2: Convert to fraction form
    128,168.02/276,057.49 = 276,057.49/x
  3. Step 3: Cross multiply
    128,168.02x = 276,057.49 × 276,057.49
  4. Step 4: Simplify right side
    128,168.02x = 76,207,738,992.85
  5. Step 5: Solve for x
    x = 76,207,738,992.85/128,168.02
  6. Step 6: Final answer
    x = 594,592.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.