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Finding the Third Proportional to 67,900 and 149,176

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Solution

The third proportional to 67,900 and 149,176 is: 327,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,900 : 149,176 = 149,176 : x
  2. Step 2: Convert to fraction form
    67,900/149,176 = 149,176/x
  3. Step 3: Cross multiply
    67,900x = 149,176 × 149,176
  4. Step 4: Simplify right side
    67,900x = 22,253,478,976
  5. Step 5: Solve for x
    x = 22,253,478,976/67,900
  6. Step 6: Final answer
    x = 327,739.01

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.