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Finding the Third Proportional to 75,746 and 159,324

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Solution

The third proportional to 75,746 and 159,324 is: 335,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,746 : 159,324 = 159,324 : x
  2. Step 2: Convert to fraction form
    75,746/159,324 = 159,324/x
  3. Step 3: Cross multiply
    75,746x = 159,324 × 159,324
  4. Step 4: Simplify right side
    75,746x = 25,384,136,976
  5. Step 5: Solve for x
    x = 25,384,136,976/75,746
  6. Step 6: Final answer
    x = 335,121.81

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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.