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Finding the Third Proportional to 75,066 and 161,172

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Solution

The third proportional to 75,066 and 161,172 is: 346,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,066 : 161,172 = 161,172 : x
  2. Step 2: Convert to fraction form
    75,066/161,172 = 161,172/x
  3. Step 3: Cross multiply
    75,066x = 161,172 × 161,172
  4. Step 4: Simplify right side
    75,066x = 25,976,413,584
  5. Step 5: Solve for x
    x = 25,976,413,584/75,066
  6. Step 6: Final answer
    x = 346,047.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.