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Finding the Third Proportional to 73,218 and 159,864

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Solution

The third proportional to 73,218 and 159,864 is: 349,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,218 : 159,864 = 159,864 : x
  2. Step 2: Convert to fraction form
    73,218/159,864 = 159,864/x
  3. Step 3: Cross multiply
    73,218x = 159,864 × 159,864
  4. Step 4: Simplify right side
    73,218x = 25,556,498,496
  5. Step 5: Solve for x
    x = 25,556,498,496/73,218
  6. Step 6: Final answer
    x = 349,046.66

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.