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Finding the Third Proportional to 18,073,647 and 39,084,057

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Solution

The third proportional to 18,073,647 and 39,084,057 is: 84,518,830.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073,647 : 39,084,057 = 39,084,057 : x
  2. Step 2: Convert to fraction form
    18,073,647/39,084,057 = 39,084,057/x
  3. Step 3: Cross multiply
    18,073,647x = 39,084,057 × 39,084,057
  4. Step 4: Simplify right side
    18,073,647x = 1,527,563,511,579,249
  5. Step 5: Solve for x
    x = 1,527,563,511,579,249/18,073,647
  6. Step 6: Final answer
    x = 84,518,830.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.