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Finding the Third Proportional to 28,696 and 63,192

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Solution

The third proportional to 28,696 and 63,192 is: 139,156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696 : 63,192 = 63,192 : x
  2. Step 2: Convert to fraction form
    28,696/63,192 = 63,192/x
  3. Step 3: Cross multiply
    28,696x = 63,192 × 63,192
  4. Step 4: Simplify right side
    28,696x = 3,993,228,864
  5. Step 5: Solve for x
    x = 3,993,228,864/28,696
  6. Step 6: Final answer
    x = 139,156.29

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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.