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Finding the Third Proportional to 75,775 and 159,407

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Solution

The third proportional to 75,775 and 159,407 is: 335,342.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,775 : 159,407 = 159,407 : x
  2. Step 2: Convert to fraction form
    75,775/159,407 = 159,407/x
  3. Step 3: Cross multiply
    75,775x = 159,407 × 159,407
  4. Step 4: Simplify right side
    75,775x = 25,410,591,649
  5. Step 5: Solve for x
    x = 25,410,591,649/75,775
  6. Step 6: Final answer
    x = 335,342.68

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.