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Finding the Third Proportional to 18,599,398 and 39,411,391

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Solution

The third proportional to 18,599,398 and 39,411,391 is: 83,511,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599,398 : 39,411,391 = 39,411,391 : x
  2. Step 2: Convert to fraction form
    18,599,398/39,411,391 = 39,411,391/x
  3. Step 3: Cross multiply
    18,599,398x = 39,411,391 × 39,411,391
  4. Step 4: Simplify right side
    18,599,398x = 1,553,257,740,554,881
  5. Step 5: Solve for x
    x = 1,553,257,740,554,881/18,599,398
  6. Step 6: Final answer
    x = 83,511,183.56

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.