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Finding the Third Proportional to 76,370.50 and 167,684

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Solution

The third proportional to 76,370.50 and 167,684 is: 368,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,370.50 : 167,684 = 167,684 : x
  2. Step 2: Convert to fraction form
    76,370.50/167,684 = 167,684/x
  3. Step 3: Cross multiply
    76,370.50x = 167,684 × 167,684
  4. Step 4: Simplify right side
    76,370.50x = 28,117,923,856
  5. Step 5: Solve for x
    x = 28,117,923,856/76,370.50
  6. Step 6: Final answer
    x = 368,177.82

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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.