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Finding the Third Proportional to 68,736 and 100,634

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Solution

The third proportional to 68,736 and 100,634 is: 147,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,736 : 100,634 = 100,634 : x
  2. Step 2: Convert to fraction form
    68,736/100,634 = 100,634/x
  3. Step 3: Cross multiply
    68,736x = 100,634 × 100,634
  4. Step 4: Simplify right side
    68,736x = 10,127,201,956
  5. Step 5: Solve for x
    x = 10,127,201,956/68,736
  6. Step 6: Final answer
    x = 147,334.76

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.