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Finding the Third Proportional to 1,939,215.94 and 3,933,835.88

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Solution

The third proportional to 1,939,215.94 and 3,933,835.88 is: 7,980,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,215.94 : 3,933,835.88 = 3,933,835.88 : x
  2. Step 2: Convert to fraction form
    1,939,215.94/3,933,835.88 = 3,933,835.88/x
  3. Step 3: Cross multiply
    1,939,215.94x = 3,933,835.88 × 3,933,835.88
  4. Step 4: Simplify right side
    1,939,215.94x = 15,475,064,691,437.02
  5. Step 5: Solve for x
    x = 15,475,064,691,437.02/1,939,215.94
  6. Step 6: Final answer
    x = 7,980,062.66

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.