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Finding the Third Proportional to 18,546,198 and 39,834,732

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Solution

The third proportional to 18,546,198 and 39,834,732 is: 85,559,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546,198 : 39,834,732 = 39,834,732 : x
  2. Step 2: Convert to fraction form
    18,546,198/39,834,732 = 39,834,732/x
  3. Step 3: Cross multiply
    18,546,198x = 39,834,732 × 39,834,732
  4. Step 4: Simplify right side
    18,546,198x = 1,586,805,873,511,824
  5. Step 5: Solve for x
    x = 1,586,805,873,511,824/18,546,198
  6. Step 6: Final answer
    x = 85,559,631.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.