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Finding the Third Proportional to 155,834 and 336,589

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Solution

The third proportional to 155,834 and 336,589 is: 727,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,834 : 336,589 = 336,589 : x
  2. Step 2: Convert to fraction form
    155,834/336,589 = 336,589/x
  3. Step 3: Cross multiply
    155,834x = 336,589 × 336,589
  4. Step 4: Simplify right side
    155,834x = 113,292,154,921
  5. Step 5: Solve for x
    x = 113,292,154,921/155,834
  6. Step 6: Final answer
    x = 727,005.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.