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Finding the Third Proportional to 20,187,786 and 30,274,266

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Solution

The third proportional to 20,187,786 and 30,274,266 is: 45,400,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,786 : 30,274,266 = 30,274,266 : x
  2. Step 2: Convert to fraction form
    20,187,786/30,274,266 = 30,274,266/x
  3. Step 3: Cross multiply
    20,187,786x = 30,274,266 × 30,274,266
  4. Step 4: Simplify right side
    20,187,786x = 916,531,181,838,756
  5. Step 5: Solve for x
    x = 916,531,181,838,756/20,187,786
  6. Step 6: Final answer
    x = 45,400,282.22

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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.