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Finding the Third Proportional to 1,393,704 and 2,109,840.75

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Solution

The third proportional to 1,393,704 and 2,109,840.75 is: 3,193,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,704 : 2,109,840.75 = 2,109,840.75 : x
  2. Step 2: Convert to fraction form
    1,393,704/2,109,840.75 = 2,109,840.75/x
  3. Step 3: Cross multiply
    1,393,704x = 2,109,840.75 × 2,109,840.75
  4. Step 4: Simplify right side
    1,393,704x = 4,451,427,990,360.56
  5. Step 5: Solve for x
    x = 4,451,427,990,360.56/1,393,704
  6. Step 6: Final answer
    x = 3,193,955.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.