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Finding the Third Proportional to 1,915,856 and 3,192,965.75

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Solution

The third proportional to 1,915,856 and 3,192,965.75 is: 5,321,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,856 : 3,192,965.75 = 3,192,965.75 : x
  2. Step 2: Convert to fraction form
    1,915,856/3,192,965.75 = 3,192,965.75/x
  3. Step 3: Cross multiply
    1,915,856x = 3,192,965.75 × 3,192,965.75
  4. Step 4: Simplify right side
    1,915,856x = 10,195,030,280,673.06
  5. Step 5: Solve for x
    x = 10,195,030,280,673.06/1,915,856
  6. Step 6: Final answer
    x = 5,321,396.95

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.