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Finding the Third Proportional to 15,690,578 and 36,640,173

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Solution

The third proportional to 15,690,578 and 36,640,173 is: 85,561,046.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690,578 : 36,640,173 = 36,640,173 : x
  2. Step 2: Convert to fraction form
    15,690,578/36,640,173 = 36,640,173/x
  3. Step 3: Cross multiply
    15,690,578x = 36,640,173 × 36,640,173
  4. Step 4: Simplify right side
    15,690,578x = 1,342,502,277,469,929
  5. Step 5: Solve for x
    x = 1,342,502,277,469,929/15,690,578
  6. Step 6: Final answer
    x = 85,561,046.73

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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.