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Finding the Third Proportional to 70,639 and 104,734

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Solution

The third proportional to 70,639 and 104,734 is: 155,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,639 : 104,734 = 104,734 : x
  2. Step 2: Convert to fraction form
    70,639/104,734 = 104,734/x
  3. Step 3: Cross multiply
    70,639x = 104,734 × 104,734
  4. Step 4: Simplify right side
    70,639x = 10,969,210,756
  5. Step 5: Solve for x
    x = 10,969,210,756/70,639
  6. Step 6: Final answer
    x = 155,285.48

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.