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Finding the Third Proportional to 143,826.75 and 272,891.25

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Solution

The third proportional to 143,826.75 and 272,891.25 is: 517,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,826.75 : 272,891.25 = 272,891.25 : x
  2. Step 2: Convert to fraction form
    143,826.75/272,891.25 = 272,891.25/x
  3. Step 3: Cross multiply
    143,826.75x = 272,891.25 × 272,891.25
  4. Step 4: Simplify right side
    143,826.75x = 74,469,634,326.56
  5. Step 5: Solve for x
    x = 74,469,634,326.56/143,826.75
  6. Step 6: Final answer
    x = 517,773.18

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.