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Finding the Third Proportional to 6,379,834.50 and 13,999,751.50

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Solution

The third proportional to 6,379,834.50 and 13,999,751.50 is: 30,720,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379,834.50 : 13,999,751.50 = 13,999,751.50 : x
  2. Step 2: Convert to fraction form
    6,379,834.50/13,999,751.50 = 13,999,751.50/x
  3. Step 3: Cross multiply
    6,379,834.50x = 13,999,751.50 × 13,999,751.50
  4. Step 4: Simplify right side
    6,379,834.50x = 195,993,042,061,752.25
  5. Step 5: Solve for x
    x = 195,993,042,061,752.25/6,379,834.50
  6. Step 6: Final answer
    x = 30,720,709.46

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.