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Finding the Third Proportional to 28,640.25 and 67,717.13

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Solution

The third proportional to 28,640.25 and 67,717.13 is: 160,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,640.25 : 67,717.13 = 67,717.13 : x
  2. Step 2: Convert to fraction form
    28,640.25/67,717.13 = 67,717.13/x
  3. Step 3: Cross multiply
    28,640.25x = 67,717.13 × 67,717.13
  4. Step 4: Simplify right side
    28,640.25x = 4,585,609,018.27
  5. Step 5: Solve for x
    x = 4,585,609,018.27/28,640.25
  6. Step 6: Final answer
    x = 160,110.65

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.