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Finding the Third Proportional to 18,161,534 and 39,511,696

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Solution

The third proportional to 18,161,534 and 39,511,696 is: 85,960,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161,534 : 39,511,696 = 39,511,696 : x
  2. Step 2: Convert to fraction form
    18,161,534/39,511,696 = 39,511,696/x
  3. Step 3: Cross multiply
    18,161,534x = 39,511,696 × 39,511,696
  4. Step 4: Simplify right side
    18,161,534x = 1,561,174,120,796,416
  5. Step 5: Solve for x
    x = 1,561,174,120,796,416/18,161,534
  6. Step 6: Final answer
    x = 85,960,476.73

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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.