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Finding the Third Proportional to 75,717.25 and 159,276.75

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Solution

The third proportional to 75,717.25 and 159,276.75 is: 335,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,717.25 : 159,276.75 = 159,276.75 : x
  2. Step 2: Convert to fraction form
    75,717.25/159,276.75 = 159,276.75/x
  3. Step 3: Cross multiply
    75,717.25x = 159,276.75 × 159,276.75
  4. Step 4: Simplify right side
    75,717.25x = 25,369,083,090.56
  5. Step 5: Solve for x
    x = 25,369,083,090.56/75,717.25
  6. Step 6: Final answer
    x = 335,050.24

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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.