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Finding the Third Proportional to 57,936 and 126,960

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Solution

The third proportional to 57,936 and 126,960 is: 278,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,936 : 126,960 = 126,960 : x
  2. Step 2: Convert to fraction form
    57,936/126,960 = 126,960/x
  3. Step 3: Cross multiply
    57,936x = 126,960 × 126,960
  4. Step 4: Simplify right side
    57,936x = 16,118,841,600
  5. Step 5: Solve for x
    x = 16,118,841,600/57,936
  6. Step 6: Final answer
    x = 278,218.06

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.