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Finding the Third Proportional to 127,190 and 276,249

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Solution

The third proportional to 127,190 and 276,249 is: 599,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,190 : 276,249 = 276,249 : x
  2. Step 2: Convert to fraction form
    127,190/276,249 = 276,249/x
  3. Step 3: Cross multiply
    127,190x = 276,249 × 276,249
  4. Step 4: Simplify right side
    127,190x = 76,313,510,001
  5. Step 5: Solve for x
    x = 76,313,510,001/127,190
  6. Step 6: Final answer
    x = 599,996.15

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.