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Finding the Third Proportional to 151,772.25 and 330,318.75

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Solution

The third proportional to 151,772.25 and 330,318.75 is: 718,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,772.25 : 330,318.75 = 330,318.75 : x
  2. Step 2: Convert to fraction form
    151,772.25/330,318.75 = 330,318.75/x
  3. Step 3: Cross multiply
    151,772.25x = 330,318.75 × 330,318.75
  4. Step 4: Simplify right side
    151,772.25x = 109,110,476,601.56
  5. Step 5: Solve for x
    x = 109,110,476,601.56/151,772.25
  6. Step 6: Final answer
    x = 718,909.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.