Home / 312,231,962,650.50-421,274,227,975.50

Finding the Third Proportional to 312,231,962,650.50 and 421,274,227,975.50

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Solution

The third proportional to 312,231,962,650.50 and 421,274,227,975.50 is: 568,397,846,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,231,962,650.50 : 421,274,227,975.50 = 421,274,227,975.50 : x
  2. Step 2: Convert to fraction form
    312,231,962,650.50/421,274,227,975.50 = 421,274,227,975.50/x
  3. Step 3: Cross multiply
    312,231,962,650.50x = 421,274,227,975.50 × 421,274,227,975.50
  4. Step 4: Simplify right side
    312,231,962,650.50x = 177,471,975,156,353,559,691,264
  5. Step 5: Solve for x
    x = 177,471,975,156,353,559,691,264/312,231,962,650.50
  6. Step 6: Final answer
    x = 568,397,846,427.43

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.