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Finding the Third Proportional to 40,003,793 and 87,276,109

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Solution

The third proportional to 40,003,793 and 87,276,109 is: 190,409,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,003,793 : 87,276,109 = 87,276,109 : x
  2. Step 2: Convert to fraction form
    40,003,793/87,276,109 = 87,276,109/x
  3. Step 3: Cross multiply
    40,003,793x = 87,276,109 × 87,276,109
  4. Step 4: Simplify right side
    40,003,793x = 7,617,119,202,179,881
  5. Step 5: Solve for x
    x = 7,617,119,202,179,881/40,003,793
  6. Step 6: Final answer
    x = 190,409,924.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.