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Finding the Third Proportional to 68,096.25 and 149,629.50

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Solution

The third proportional to 68,096.25 and 149,629.50 is: 328,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,096.25 : 149,629.50 = 149,629.50 : x
  2. Step 2: Convert to fraction form
    68,096.25/149,629.50 = 149,629.50/x
  3. Step 3: Cross multiply
    68,096.25x = 149,629.50 × 149,629.50
  4. Step 4: Simplify right side
    68,096.25x = 22,388,987,270.25
  5. Step 5: Solve for x
    x = 22,388,987,270.25/68,096.25
  6. Step 6: Final answer
    x = 328,784.44

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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.