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Finding the Third Proportional to 122,970 and 166,902

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Solution

The third proportional to 122,970 and 166,902 is: 226,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,970 : 166,902 = 166,902 : x
  2. Step 2: Convert to fraction form
    122,970/166,902 = 166,902/x
  3. Step 3: Cross multiply
    122,970x = 166,902 × 166,902
  4. Step 4: Simplify right side
    122,970x = 27,856,277,604
  5. Step 5: Solve for x
    x = 27,856,277,604/122,970
  6. Step 6: Final answer
    x = 226,529.05

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.