Home / 90,557,836.88-141,217,599.38

Finding the Third Proportional to 90,557,836.88 and 141,217,599.38

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Solution

The third proportional to 90,557,836.88 and 141,217,599.38 is: 220,217,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,557,836.88 : 141,217,599.38 = 141,217,599.38 : x
  2. Step 2: Convert to fraction form
    90,557,836.88/141,217,599.38 = 141,217,599.38/x
  3. Step 3: Cross multiply
    90,557,836.88x = 141,217,599.38 × 141,217,599.38
  4. Step 4: Simplify right side
    90,557,836.88x = 19,942,410,373,238,000
  5. Step 5: Solve for x
    x = 19,942,410,373,238,000/90,557,836.88
  6. Step 6: Final answer
    x = 220,217,388.81

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.