Home / 31,252,887.25-67,305,943.75

Finding the Third Proportional to 31,252,887.25 and 67,305,943.75

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Solution

The third proportional to 31,252,887.25 and 67,305,943.75 is: 144,949,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,252,887.25 : 67,305,943.75 = 67,305,943.75 : x
  2. Step 2: Convert to fraction form
    31,252,887.25/67,305,943.75 = 67,305,943.75/x
  3. Step 3: Cross multiply
    31,252,887.25x = 67,305,943.75 × 67,305,943.75
  4. Step 4: Simplify right side
    31,252,887.25x = 4,530,090,064,078,164
  5. Step 5: Solve for x
    x = 4,530,090,064,078,164/31,252,887.25
  6. Step 6: Final answer
    x = 144,949,489.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.