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Finding the Third Proportional to 39,926,917 and 81,745,802

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Solution

The third proportional to 39,926,917 and 81,745,802 is: 167,365,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,926,917 : 81,745,802 = 81,745,802 : x
  2. Step 2: Convert to fraction form
    39,926,917/81,745,802 = 81,745,802/x
  3. Step 3: Cross multiply
    39,926,917x = 81,745,802 × 81,745,802
  4. Step 4: Simplify right side
    39,926,917x = 6,682,376,144,623,204
  5. Step 5: Solve for x
    x = 6,682,376,144,623,204/39,926,917
  6. Step 6: Final answer
    x = 167,365,192.37

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.