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Finding the Third Proportional to 74,872 and 166,352

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Solution

The third proportional to 74,872 and 166,352 is: 369,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,872 : 166,352 = 166,352 : x
  2. Step 2: Convert to fraction form
    74,872/166,352 = 166,352/x
  3. Step 3: Cross multiply
    74,872x = 166,352 × 166,352
  4. Step 4: Simplify right side
    74,872x = 27,672,987,904
  5. Step 5: Solve for x
    x = 27,672,987,904/74,872
  6. Step 6: Final answer
    x = 369,603.96

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.