Home / 1,815,353.25-3,910,791.75

Finding the Third Proportional to 1,815,353.25 and 3,910,791.75

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Solution

The third proportional to 1,815,353.25 and 3,910,791.75 is: 8,424,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,353.25 : 3,910,791.75 = 3,910,791.75 : x
  2. Step 2: Convert to fraction form
    1,815,353.25/3,910,791.75 = 3,910,791.75/x
  3. Step 3: Cross multiply
    1,815,353.25x = 3,910,791.75 × 3,910,791.75
  4. Step 4: Simplify right side
    1,815,353.25x = 15,294,292,111,868.06
  5. Step 5: Solve for x
    x = 15,294,292,111,868.06/1,815,353.25
  6. Step 6: Final answer
    x = 8,424,967.49

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.