Home / 1,379,144.25-2,140,887.38

Finding the Third Proportional to 1,379,144.25 and 2,140,887.38

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Solution

The third proportional to 1,379,144.25 and 2,140,887.38 is: 3,323,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,144.25 : 2,140,887.38 = 2,140,887.38 : x
  2. Step 2: Convert to fraction form
    1,379,144.25/2,140,887.38 = 2,140,887.38/x
  3. Step 3: Cross multiply
    1,379,144.25x = 2,140,887.38 × 2,140,887.38
  4. Step 4: Simplify right side
    1,379,144.25x = 4,583,398,752,434.39
  5. Step 5: Solve for x
    x = 4,583,398,752,434.39/1,379,144.25
  6. Step 6: Final answer
    x = 3,323,364.29

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.