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Finding the Third Proportional to 18,391,926 and 43,354,903

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Solution

The third proportional to 18,391,926 and 43,354,903 is: 102,199,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391,926 : 43,354,903 = 43,354,903 : x
  2. Step 2: Convert to fraction form
    18,391,926/43,354,903 = 43,354,903/x
  3. Step 3: Cross multiply
    18,391,926x = 43,354,903 × 43,354,903
  4. Step 4: Simplify right side
    18,391,926x = 1,879,647,614,139,409
  5. Step 5: Solve for x
    x = 1,879,647,614,139,409/18,391,926
  6. Step 6: Final answer
    x = 102,199,607.27

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.