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Finding the Third Proportional to 18,573,320 and 39,026,704

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Solution

The third proportional to 18,573,320 and 39,026,704 is: 82,003,843.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573,320 : 39,026,704 = 39,026,704 : x
  2. Step 2: Convert to fraction form
    18,573,320/39,026,704 = 39,026,704/x
  3. Step 3: Cross multiply
    18,573,320x = 39,026,704 × 39,026,704
  4. Step 4: Simplify right side
    18,573,320x = 1,523,083,625,103,616
  5. Step 5: Solve for x
    x = 1,523,083,625,103,616/18,573,320
  6. Step 6: Final answer
    x = 82,003,843.42

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.