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Finding the Third Proportional to 126,168 and 270,936

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Solution

The third proportional to 126,168 and 270,936 is: 581,814.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,168 : 270,936 = 270,936 : x
  2. Step 2: Convert to fraction form
    126,168/270,936 = 270,936/x
  3. Step 3: Cross multiply
    126,168x = 270,936 × 270,936
  4. Step 4: Simplify right side
    126,168x = 73,406,316,096
  5. Step 5: Solve for x
    x = 73,406,316,096/126,168
  6. Step 6: Final answer
    x = 581,814.06

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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.