Home / 20,770,850.25-53,920,120.50

Finding the Third Proportional to 20,770,850.25 and 53,920,120.50

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Solution

The third proportional to 20,770,850.25 and 53,920,120.50 is: 139,974,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,770,850.25 : 53,920,120.50 = 53,920,120.50 : x
  2. Step 2: Convert to fraction form
    20,770,850.25/53,920,120.50 = 53,920,120.50/x
  3. Step 3: Cross multiply
    20,770,850.25x = 53,920,120.50 × 53,920,120.50
  4. Step 4: Simplify right side
    20,770,850.25x = 2,907,379,394,734,520
  5. Step 5: Solve for x
    x = 2,907,379,394,734,520/20,770,850.25
  6. Step 6: Final answer
    x = 139,974,019.35

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Why These Related Problems?

These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.