Home / 67,378,219.88-137,942,625.38

Finding the Third Proportional to 67,378,219.88 and 137,942,625.38

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Solution

The third proportional to 67,378,219.88 and 137,942,625.38 is: 282,408,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,378,219.88 : 137,942,625.38 = 137,942,625.38 : x
  2. Step 2: Convert to fraction form
    67,378,219.88/137,942,625.38 = 137,942,625.38/x
  3. Step 3: Cross multiply
    67,378,219.88x = 137,942,625.38 × 137,942,625.38
  4. Step 4: Simplify right side
    67,378,219.88x = 19,028,167,895,347,592
  5. Step 5: Solve for x
    x = 19,028,167,895,347,592/67,378,219.88
  6. Step 6: Final answer
    x = 282,408,290.55

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.