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Finding the Third Proportional to 18,864,762 and 40,419,044

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Solution

The third proportional to 18,864,762 and 40,419,044 is: 86,600,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864,762 : 40,419,044 = 40,419,044 : x
  2. Step 2: Convert to fraction form
    18,864,762/40,419,044 = 40,419,044/x
  3. Step 3: Cross multiply
    18,864,762x = 40,419,044 × 40,419,044
  4. Step 4: Simplify right side
    18,864,762x = 1,633,699,117,873,936
  5. Step 5: Solve for x
    x = 1,633,699,117,873,936/18,864,762
  6. Step 6: Final answer
    x = 86,600,568.72

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.