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Finding the Third Proportional to 155,118.96 and 336,879.16

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Solution

The third proportional to 155,118.96 and 336,879.16 is: 731,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,118.96 : 336,879.16 = 336,879.16 : x
  2. Step 2: Convert to fraction form
    155,118.96/336,879.16 = 336,879.16/x
  3. Step 3: Cross multiply
    155,118.96x = 336,879.16 × 336,879.16
  4. Step 4: Simplify right side
    155,118.96x = 113,487,567,231.64
  5. Step 5: Solve for x
    x = 113,487,567,231.64/155,118.96
  6. Step 6: Final answer
    x = 731,616.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.