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Finding the Third Proportional to 79,169 and 166,018

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Solution

The third proportional to 79,169 and 166,018 is: 348,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,169 : 166,018 = 166,018 : x
  2. Step 2: Convert to fraction form
    79,169/166,018 = 166,018/x
  3. Step 3: Cross multiply
    79,169x = 166,018 × 166,018
  4. Step 4: Simplify right side
    79,169x = 27,561,976,324
  5. Step 5: Solve for x
    x = 27,561,976,324/79,169
  6. Step 6: Final answer
    x = 348,141.02

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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.