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Finding the Third Proportional to 68,107.50 and 149,151.38

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Solution

The third proportional to 68,107.50 and 149,151.38 is: 326,632.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,107.50 : 149,151.38 = 149,151.38 : x
  2. Step 2: Convert to fraction form
    68,107.50/149,151.38 = 149,151.38/x
  3. Step 3: Cross multiply
    68,107.50x = 149,151.38 × 149,151.38
  4. Step 4: Simplify right side
    68,107.50x = 22,246,132,664.39
  5. Step 5: Solve for x
    x = 22,246,132,664.39/68,107.50
  6. Step 6: Final answer
    x = 326,632.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.