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Finding the Third Proportional to 76,366.50 and 167,676

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Solution

The third proportional to 76,366.50 and 167,676 is: 368,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,366.50 : 167,676 = 167,676 : x
  2. Step 2: Convert to fraction form
    76,366.50/167,676 = 167,676/x
  3. Step 3: Cross multiply
    76,366.50x = 167,676 × 167,676
  4. Step 4: Simplify right side
    76,366.50x = 28,115,240,976
  5. Step 5: Solve for x
    x = 28,115,240,976/76,366.50
  6. Step 6: Final answer
    x = 368,161.97

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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.