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Finding the Third Proportional to 73,472 and 159,408

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Solution

The third proportional to 73,472 and 159,408 is: 345,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,472 : 159,408 = 159,408 : x
  2. Step 2: Convert to fraction form
    73,472/159,408 = 159,408/x
  3. Step 3: Cross multiply
    73,472x = 159,408 × 159,408
  4. Step 4: Simplify right side
    73,472x = 25,410,910,464
  5. Step 5: Solve for x
    x = 25,410,910,464/73,472
  6. Step 6: Final answer
    x = 345,858.43

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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.