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Finding the Third Proportional to 15,661,849 and 33,722,965

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Solution

The third proportional to 15,661,849 and 33,722,965 is: 72,612,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661,849 : 33,722,965 = 33,722,965 : x
  2. Step 2: Convert to fraction form
    15,661,849/33,722,965 = 33,722,965/x
  3. Step 3: Cross multiply
    15,661,849x = 33,722,965 × 33,722,965
  4. Step 4: Simplify right side
    15,661,849x = 1,137,238,368,391,225
  5. Step 5: Solve for x
    x = 1,137,238,368,391,225/15,661,849
  6. Step 6: Final answer
    x = 72,612,012.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.