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Finding the Third Proportional to 47,711 and 103,621

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Solution

The third proportional to 47,711 and 103,621 is: 225,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711 : 103,621 = 103,621 : x
  2. Step 2: Convert to fraction form
    47,711/103,621 = 103,621/x
  3. Step 3: Cross multiply
    47,711x = 103,621 × 103,621
  4. Step 4: Simplify right side
    47,711x = 10,737,311,641
  5. Step 5: Solve for x
    x = 10,737,311,641/47,711
  6. Step 6: Final answer
    x = 225,048.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.