Home / 12,154,785.75-18,540,887.25

Finding the Third Proportional to 12,154,785.75 and 18,540,887.25

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Solution

The third proportional to 12,154,785.75 and 18,540,887.25 is: 28,282,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,785.75 : 18,540,887.25 = 18,540,887.25 : x
  2. Step 2: Convert to fraction form
    12,154,785.75/18,540,887.25 = 18,540,887.25/x
  3. Step 3: Cross multiply
    12,154,785.75x = 18,540,887.25 × 18,540,887.25
  4. Step 4: Simplify right side
    12,154,785.75x = 343,764,500,017,212.56
  5. Step 5: Solve for x
    x = 343,764,500,017,212.56/12,154,785.75
  6. Step 6: Final answer
    x = 28,282,234.43

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.