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Finding the Third Proportional to 154,815.75 and 332,519.25

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Solution

The third proportional to 154,815.75 and 332,519.25 is: 714,197.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,815.75 : 332,519.25 = 332,519.25 : x
  2. Step 2: Convert to fraction form
    154,815.75/332,519.25 = 332,519.25/x
  3. Step 3: Cross multiply
    154,815.75x = 332,519.25 × 332,519.25
  4. Step 4: Simplify right side
    154,815.75x = 110,569,051,620.56
  5. Step 5: Solve for x
    x = 110,569,051,620.56/154,815.75
  6. Step 6: Final answer
    x = 714,197.69

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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.