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Finding the Third Proportional to 155,695,206 and 342,469,990.50

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Solution

The third proportional to 155,695,206 and 342,469,990.50 is: 753,303,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,695,206 : 342,469,990.50 = 342,469,990.50 : x
  2. Step 2: Convert to fraction form
    155,695,206/342,469,990.50 = 342,469,990.50/x
  3. Step 3: Cross multiply
    155,695,206x = 342,469,990.50 × 342,469,990.50
  4. Step 4: Simplify right side
    155,695,206x = 117,285,694,393,070,096
  5. Step 5: Solve for x
    x = 117,285,694,393,070,096/155,695,206
  6. Step 6: Final answer
    x = 753,303,183.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.