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Finding the Third Proportional to 57,912.75 and 126,897.19

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Solution

The third proportional to 57,912.75 and 126,897.19 is: 278,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,912.75 : 126,897.19 = 126,897.19 : x
  2. Step 2: Convert to fraction form
    57,912.75/126,897.19 = 126,897.19/x
  3. Step 3: Cross multiply
    57,912.75x = 126,897.19 × 126,897.19
  4. Step 4: Simplify right side
    57,912.75x = 16,102,896,195.41
  5. Step 5: Solve for x
    x = 16,102,896,195.41/57,912.75
  6. Step 6: Final answer
    x = 278,054.42

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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.