Home / 13,920,234.75-20,453,917.50

Finding the Third Proportional to 13,920,234.75 and 20,453,917.50

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Solution

The third proportional to 13,920,234.75 and 20,453,917.50 is: 30,054,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,920,234.75 : 20,453,917.50 = 20,453,917.50 : x
  2. Step 2: Convert to fraction form
    13,920,234.75/20,453,917.50 = 20,453,917.50/x
  3. Step 3: Cross multiply
    13,920,234.75x = 20,453,917.50 × 20,453,917.50
  4. Step 4: Simplify right side
    13,920,234.75x = 418,362,741,096,806.25
  5. Step 5: Solve for x
    x = 418,362,741,096,806.25/13,920,234.75
  6. Step 6: Final answer
    x = 30,054,287.78

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.