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Finding the Third Proportional to 18,458,230 and 40,237,782

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Solution

The third proportional to 18,458,230 and 40,237,782 is: 87,715,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458,230 : 40,237,782 = 40,237,782 : x
  2. Step 2: Convert to fraction form
    18,458,230/40,237,782 = 40,237,782/x
  3. Step 3: Cross multiply
    18,458,230x = 40,237,782 × 40,237,782
  4. Step 4: Simplify right side
    18,458,230x = 1,619,079,100,279,524
  5. Step 5: Solve for x
    x = 1,619,079,100,279,524/18,458,230
  6. Step 6: Final answer
    x = 87,715,837.34

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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.