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Finding the Third Proportional to 76,664 and 166,828

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Solution

The third proportional to 76,664 and 166,828 is: 363,033.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,664 : 166,828 = 166,828 : x
  2. Step 2: Convert to fraction form
    76,664/166,828 = 166,828/x
  3. Step 3: Cross multiply
    76,664x = 166,828 × 166,828
  4. Step 4: Simplify right side
    76,664x = 27,831,581,584
  5. Step 5: Solve for x
    x = 27,831,581,584/76,664
  6. Step 6: Final answer
    x = 363,033.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.