Home / 12,589,556.63-20,019,334.78

Finding the Third Proportional to 12,589,556.63 and 20,019,334.78

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Solution

The third proportional to 12,589,556.63 and 20,019,334.78 is: 31,833,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589,556.63 : 20,019,334.78 = 20,019,334.78 : x
  2. Step 2: Convert to fraction form
    12,589,556.63/20,019,334.78 = 20,019,334.78/x
  3. Step 3: Cross multiply
    12,589,556.63x = 20,019,334.78 × 20,019,334.78
  4. Step 4: Simplify right side
    12,589,556.63x = 400,773,765,083,766
  5. Step 5: Solve for x
    x = 400,773,765,083,766/12,589,556.63
  6. Step 6: Final answer
    x = 31,833,826.80

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.