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Finding the Third Proportional to 68,870 and 104,679

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Solution

The third proportional to 68,870 and 104,679 is: 159,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,870 : 104,679 = 104,679 : x
  2. Step 2: Convert to fraction form
    68,870/104,679 = 104,679/x
  3. Step 3: Cross multiply
    68,870x = 104,679 × 104,679
  4. Step 4: Simplify right side
    68,870x = 10,957,693,041
  5. Step 5: Solve for x
    x = 10,957,693,041/68,870
  6. Step 6: Final answer
    x = 159,106.91

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.