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Finding the Third Proportional to 76,664 and 167,908

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Solution

The third proportional to 76,664 and 167,908 is: 367,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,664 : 167,908 = 167,908 : x
  2. Step 2: Convert to fraction form
    76,664/167,908 = 167,908/x
  3. Step 3: Cross multiply
    76,664x = 167,908 × 167,908
  4. Step 4: Simplify right side
    76,664x = 28,193,096,464
  5. Step 5: Solve for x
    x = 28,193,096,464/76,664
  6. Step 6: Final answer
    x = 367,748.83

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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.