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Finding the Third Proportional to 1,228,691.25 and 2,555,433

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Solution

The third proportional to 1,228,691.25 and 2,555,433 is: 5,314,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,691.25 : 2,555,433 = 2,555,433 : x
  2. Step 2: Convert to fraction form
    1,228,691.25/2,555,433 = 2,555,433/x
  3. Step 3: Cross multiply
    1,228,691.25x = 2,555,433 × 2,555,433
  4. Step 4: Simplify right side
    1,228,691.25x = 6,530,237,817,489
  5. Step 5: Solve for x
    x = 6,530,237,817,489/1,228,691.25
  6. Step 6: Final answer
    x = 5,314,791.50

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.