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Finding the Third Proportional to 47,619 and 102,756

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Solution

The third proportional to 47,619 and 102,756 is: 221,734.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619 : 102,756 = 102,756 : x
  2. Step 2: Convert to fraction form
    47,619/102,756 = 102,756/x
  3. Step 3: Cross multiply
    47,619x = 102,756 × 102,756
  4. Step 4: Simplify right side
    47,619x = 10,558,795,536
  5. Step 5: Solve for x
    x = 10,558,795,536/47,619
  6. Step 6: Final answer
    x = 221,734.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.