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Finding the Third Proportional to 75,372 and 163,866

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Solution

The third proportional to 75,372 and 163,866 is: 356,260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,372 : 163,866 = 163,866 : x
  2. Step 2: Convert to fraction form
    75,372/163,866 = 163,866/x
  3. Step 3: Cross multiply
    75,372x = 163,866 × 163,866
  4. Step 4: Simplify right side
    75,372x = 26,852,065,956
  5. Step 5: Solve for x
    x = 26,852,065,956/75,372
  6. Step 6: Final answer
    x = 356,260.49

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.