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Finding the Third Proportional to 79,159 and 166,518

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Solution

The third proportional to 79,159 and 166,518 is: 350,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,159 : 166,518 = 166,518 : x
  2. Step 2: Convert to fraction form
    79,159/166,518 = 166,518/x
  3. Step 3: Cross multiply
    79,159x = 166,518 × 166,518
  4. Step 4: Simplify right side
    79,159x = 27,728,244,324
  5. Step 5: Solve for x
    x = 27,728,244,324/79,159
  6. Step 6: Final answer
    x = 350,285.43

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.