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Finding the Third Proportional to 155,854.69 and 335,544.75

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Solution

The third proportional to 155,854.69 and 335,544.75 is: 722,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,854.69 : 335,544.75 = 335,544.75 : x
  2. Step 2: Convert to fraction form
    155,854.69/335,544.75 = 335,544.75/x
  3. Step 3: Cross multiply
    155,854.69x = 335,544.75 × 335,544.75
  4. Step 4: Simplify right side
    155,854.69x = 112,590,279,252.56
  5. Step 5: Solve for x
    x = 112,590,279,252.56/155,854.69
  6. Step 6: Final answer
    x = 722,405.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.