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Finding the Third Proportional to 7,131,990 and 10,834,368.75

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Solution

The third proportional to 7,131,990 and 10,834,368.75 is: 16,458,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,990 : 10,834,368.75 = 10,834,368.75 : x
  2. Step 2: Convert to fraction form
    7,131,990/10,834,368.75 = 10,834,368.75/x
  3. Step 3: Cross multiply
    7,131,990x = 10,834,368.75 × 10,834,368.75
  4. Step 4: Simplify right side
    7,131,990x = 117,383,546,210,976.56
  5. Step 5: Solve for x
    x = 117,383,546,210,976.56/7,131,990
  6. Step 6: Final answer
    x = 16,458,736.79

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.