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Finding the Third Proportional to 150,432.94 and 330,391.50

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Solution

The third proportional to 150,432.94 and 330,391.50 is: 725,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,432.94 : 330,391.50 = 330,391.50 : x
  2. Step 2: Convert to fraction form
    150,432.94/330,391.50 = 330,391.50/x
  3. Step 3: Cross multiply
    150,432.94x = 330,391.50 × 330,391.50
  4. Step 4: Simplify right side
    150,432.94x = 109,158,543,272.25
  5. Step 5: Solve for x
    x = 109,158,543,272.25/150,432.94
  6. Step 6: Final answer
    x = 725,629.27

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.