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Finding the Third Proportional to 166,828 and 251,682

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Solution

The third proportional to 166,828 and 251,682 is: 379,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,828 : 251,682 = 251,682 : x
  2. Step 2: Convert to fraction form
    166,828/251,682 = 251,682/x
  3. Step 3: Cross multiply
    166,828x = 251,682 × 251,682
  4. Step 4: Simplify right side
    166,828x = 63,343,829,124
  5. Step 5: Solve for x
    x = 63,343,829,124/166,828
  6. Step 6: Final answer
    x = 379,695.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.