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Finding the Third Proportional to 68,141.25 and 149,265

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Solution

The third proportional to 68,141.25 and 149,265 is: 326,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,141.25 : 149,265 = 149,265 : x
  2. Step 2: Convert to fraction form
    68,141.25/149,265 = 149,265/x
  3. Step 3: Cross multiply
    68,141.25x = 149,265 × 149,265
  4. Step 4: Simplify right side
    68,141.25x = 22,280,040,225
  5. Step 5: Solve for x
    x = 22,280,040,225/68,141.25
  6. Step 6: Final answer
    x = 326,968.47

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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.