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Finding the Third Proportional to 18,650,739.80 and 40,135,832.44

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Solution

The third proportional to 18,650,739.80 and 40,135,832.44 is: 86,371,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650,739.80 : 40,135,832.44 = 40,135,832.44 : x
  2. Step 2: Convert to fraction form
    18,650,739.80/40,135,832.44 = 40,135,832.44/x
  3. Step 3: Cross multiply
    18,650,739.80x = 40,135,832.44 × 40,135,832.44
  4. Step 4: Simplify right side
    18,650,739.80x = 1,610,885,045,451,077.25
  5. Step 5: Solve for x
    x = 1,610,885,045,451,077.25/18,650,739.80
  6. Step 6: Final answer
    x = 86,371,107.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.