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Finding the Third Proportional to 68,228 and 149,632

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Solution

The third proportional to 68,228 and 149,632 is: 328,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,228 : 149,632 = 149,632 : x
  2. Step 2: Convert to fraction form
    68,228/149,632 = 149,632/x
  3. Step 3: Cross multiply
    68,228x = 149,632 × 149,632
  4. Step 4: Simplify right side
    68,228x = 22,389,735,424
  5. Step 5: Solve for x
    x = 22,389,735,424/68,228
  6. Step 6: Final answer
    x = 328,160.51

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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.