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Finding the Third Proportional to 149,748.75 and 329,622.75

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Solution

The third proportional to 149,748.75 and 329,622.75 is: 725,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,748.75 : 329,622.75 = 329,622.75 : x
  2. Step 2: Convert to fraction form
    149,748.75/329,622.75 = 329,622.75/x
  3. Step 3: Cross multiply
    149,748.75x = 329,622.75 × 329,622.75
  4. Step 4: Simplify right side
    149,748.75x = 108,651,157,317.56
  5. Step 5: Solve for x
    x = 108,651,157,317.56/149,748.75
  6. Step 6: Final answer
    x = 725,556.36

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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.