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Finding the Third Proportional to 150,422.63 and 330,365.50

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Solution

The third proportional to 150,422.63 and 330,365.50 is: 725,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,422.63 : 330,365.50 = 330,365.50 : x
  2. Step 2: Convert to fraction form
    150,422.63/330,365.50 = 330,365.50/x
  3. Step 3: Cross multiply
    150,422.63x = 330,365.50 × 330,365.50
  4. Step 4: Simplify right side
    150,422.63x = 109,141,363,590.25
  5. Step 5: Solve for x
    x = 109,141,363,590.25/150,422.63
  6. Step 6: Final answer
    x = 725,564.81

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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.