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Finding the Third Proportional to 122,916 and 166,070

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Solution

The third proportional to 122,916 and 166,070 is: 224,374.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,916 : 166,070 = 166,070 : x
  2. Step 2: Convert to fraction form
    122,916/166,070 = 166,070/x
  3. Step 3: Cross multiply
    122,916x = 166,070 × 166,070
  4. Step 4: Simplify right side
    122,916x = 27,579,244,900
  5. Step 5: Solve for x
    x = 27,579,244,900/122,916
  6. Step 6: Final answer
    x = 224,374.73

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.