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Finding the Third Proportional to 75,872 and 166,031

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Solution

The third proportional to 75,872 and 166,031 is: 363,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,872 : 166,031 = 166,031 : x
  2. Step 2: Convert to fraction form
    75,872/166,031 = 166,031/x
  3. Step 3: Cross multiply
    75,872x = 166,031 × 166,031
  4. Step 4: Simplify right side
    75,872x = 27,566,292,961
  5. Step 5: Solve for x
    x = 27,566,292,961/75,872
  6. Step 6: Final answer
    x = 363,326.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.