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Finding the Third Proportional to 15,690,550 and 36,640,103

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Solution

The third proportional to 15,690,550 and 36,640,103 is: 85,560,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690,550 : 36,640,103 = 36,640,103 : x
  2. Step 2: Convert to fraction form
    15,690,550/36,640,103 = 36,640,103/x
  3. Step 3: Cross multiply
    15,690,550x = 36,640,103 × 36,640,103
  4. Step 4: Simplify right side
    15,690,550x = 1,342,497,147,850,609
  5. Step 5: Solve for x
    x = 1,342,497,147,850,609/15,690,550
  6. Step 6: Final answer
    x = 85,560,872.49

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.