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Finding the Third Proportional to 123,015 and 183,879

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Solution

The third proportional to 123,015 and 183,879 is: 274,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,015 : 183,879 = 183,879 : x
  2. Step 2: Convert to fraction form
    123,015/183,879 = 183,879/x
  3. Step 3: Cross multiply
    123,015x = 183,879 × 183,879
  4. Step 4: Simplify right side
    123,015x = 33,811,486,641
  5. Step 5: Solve for x
    x = 33,811,486,641/123,015
  6. Step 6: Final answer
    x = 274,856.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.