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Finding the Third Proportional to 155,436.75 and 335,373.75

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Solution

The third proportional to 155,436.75 and 335,373.75 is: 723,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,436.75 : 335,373.75 = 335,373.75 : x
  2. Step 2: Convert to fraction form
    155,436.75/335,373.75 = 335,373.75/x
  3. Step 3: Cross multiply
    155,436.75x = 335,373.75 × 335,373.75
  4. Step 4: Simplify right side
    155,436.75x = 112,475,552,189.06
  5. Step 5: Solve for x
    x = 112,475,552,189.06/155,436.75
  6. Step 6: Final answer
    x = 723,609.78

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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.