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Finding the Third Proportional to 126,606.38 and 276,739.88

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Solution

The third proportional to 126,606.38 and 276,739.88 is: 604,906.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,606.38 : 276,739.88 = 276,739.88 : x
  2. Step 2: Convert to fraction form
    126,606.38/276,739.88 = 276,739.88/x
  3. Step 3: Cross multiply
    126,606.38x = 276,739.88 × 276,739.88
  4. Step 4: Simplify right side
    126,606.38x = 76,584,958,415.02
  5. Step 5: Solve for x
    x = 76,584,958,415.02/126,606.38
  6. Step 6: Final answer
    x = 604,906.02

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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.