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Finding the Third Proportional to 15,690,555 and 36,640,120

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Solution

The third proportional to 15,690,555 and 36,640,120 is: 85,560,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690,555 : 36,640,120 = 36,640,120 : x
  2. Step 2: Convert to fraction form
    15,690,555/36,640,120 = 36,640,120/x
  3. Step 3: Cross multiply
    15,690,555x = 36,640,120 × 36,640,120
  4. Step 4: Simplify right side
    15,690,555x = 1,342,498,393,614,400
  5. Step 5: Solve for x
    x = 1,342,498,393,614,400/15,690,555
  6. Step 6: Final answer
    x = 85,560,924.62

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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.