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Finding the Third Proportional to 126,635 and 270,219

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Solution

The third proportional to 126,635 and 270,219 is: 576,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,635 : 270,219 = 270,219 : x
  2. Step 2: Convert to fraction form
    126,635/270,219 = 270,219/x
  3. Step 3: Cross multiply
    126,635x = 270,219 × 270,219
  4. Step 4: Simplify right side
    126,635x = 73,018,307,961
  5. Step 5: Solve for x
    x = 73,018,307,961/126,635
  6. Step 6: Final answer
    x = 576,604.48

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.