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Finding the Third Proportional to 76,512.38 and 179,968.69

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Solution

The third proportional to 76,512.38 and 179,968.69 is: 423,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,512.38 : 179,968.69 = 179,968.69 : x
  2. Step 2: Convert to fraction form
    76,512.38/179,968.69 = 179,968.69/x
  3. Step 3: Cross multiply
    76,512.38x = 179,968.69 × 179,968.69
  4. Step 4: Simplify right side
    76,512.38x = 32,388,728,480.47
  5. Step 5: Solve for x
    x = 32,388,728,480.47/76,512.38
  6. Step 6: Final answer
    x = 423,313.59

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.