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Finding the Third Proportional to 251,698.50 and 330,162.75

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Solution

The third proportional to 251,698.50 and 330,162.75 is: 433,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,698.50 : 330,162.75 = 330,162.75 : x
  2. Step 2: Convert to fraction form
    251,698.50/330,162.75 = 330,162.75/x
  3. Step 3: Cross multiply
    251,698.50x = 330,162.75 × 330,162.75
  4. Step 4: Simplify right side
    251,698.50x = 109,007,441,487.56
  5. Step 5: Solve for x
    x = 109,007,441,487.56/251,698.50
  6. Step 6: Final answer
    x = 433,087.37

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.