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Finding the Third Proportional to 170,928 and 366,690.75

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Solution

The third proportional to 170,928 and 366,690.75 is: 786,659.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,928 : 366,690.75 = 366,690.75 : x
  2. Step 2: Convert to fraction form
    170,928/366,690.75 = 366,690.75/x
  3. Step 3: Cross multiply
    170,928x = 366,690.75 × 366,690.75
  4. Step 4: Simplify right side
    170,928x = 134,462,106,135.56
  5. Step 5: Solve for x
    x = 134,462,106,135.56/170,928
  6. Step 6: Final answer
    x = 786,659.33

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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.