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Finding the Third Proportional to 1,915,887 and 3,193,015.50

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Solution

The third proportional to 1,915,887 and 3,193,015.50 is: 5,321,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,887 : 3,193,015.50 = 3,193,015.50 : x
  2. Step 2: Convert to fraction form
    1,915,887/3,193,015.50 = 3,193,015.50/x
  3. Step 3: Cross multiply
    1,915,887x = 3,193,015.50 × 3,193,015.50
  4. Step 4: Simplify right side
    1,915,887x = 10,195,347,983,240.25
  5. Step 5: Solve for x
    x = 10,195,347,983,240.25/1,915,887
  6. Step 6: Final answer
    x = 5,321,476.68

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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.