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Finding the Third Proportional to 47,770 and 103,838

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Solution

The third proportional to 47,770 and 103,838 is: 225,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,770 : 103,838 = 103,838 : x
  2. Step 2: Convert to fraction form
    47,770/103,838 = 103,838/x
  3. Step 3: Cross multiply
    47,770x = 103,838 × 103,838
  4. Step 4: Simplify right side
    47,770x = 10,782,330,244
  5. Step 5: Solve for x
    x = 10,782,330,244/47,770
  6. Step 6: Final answer
    x = 225,713.42

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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.