Home / 2,129,429.25-3,190,863.38

Finding the Third Proportional to 2,129,429.25 and 3,190,863.38

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Solution

The third proportional to 2,129,429.25 and 3,190,863.38 is: 4,781,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,429.25 : 3,190,863.38 = 3,190,863.38 : x
  2. Step 2: Convert to fraction form
    2,129,429.25/3,190,863.38 = 3,190,863.38/x
  3. Step 3: Cross multiply
    2,129,429.25x = 3,190,863.38 × 3,190,863.38
  4. Step 4: Simplify right side
    2,129,429.25x = 10,181,609,077,916.39
  5. Step 5: Solve for x
    x = 10,181,609,077,916.39/2,129,429.25
  6. Step 6: Final answer
    x = 4,781,379.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.