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Finding the Third Proportional to 815,562 and 1,919,040.75

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Solution

The third proportional to 815,562 and 1,919,040.75 is: 4,515,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,562 : 1,919,040.75 = 1,919,040.75 : x
  2. Step 2: Convert to fraction form
    815,562/1,919,040.75 = 1,919,040.75/x
  3. Step 3: Cross multiply
    815,562x = 1,919,040.75 × 1,919,040.75
  4. Step 4: Simplify right side
    815,562x = 3,682,717,400,160.56
  5. Step 5: Solve for x
    x = 3,682,717,400,160.56/815,562
  6. Step 6: Final answer
    x = 4,515,557.86

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.