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Finding the Third Proportional to 129,800,448 and 194,296,320

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Solution

The third proportional to 129,800,448 and 194,296,320 is: 290,839,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,800,448 : 194,296,320 = 194,296,320 : x
  2. Step 2: Convert to fraction form
    129,800,448/194,296,320 = 194,296,320/x
  3. Step 3: Cross multiply
    129,800,448x = 194,296,320 × 194,296,320
  4. Step 4: Simplify right side
    129,800,448x = 37,751,059,965,542,400
  5. Step 5: Solve for x
    x = 37,751,059,965,542,400/129,800,448
  6. Step 6: Final answer
    x = 290,839,211.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.