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Finding the Third Proportional to 20,187,765 and 30,274,236

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Solution

The third proportional to 20,187,765 and 30,274,236 is: 45,400,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,765 : 30,274,236 = 30,274,236 : x
  2. Step 2: Convert to fraction form
    20,187,765/30,274,236 = 30,274,236/x
  3. Step 3: Cross multiply
    20,187,765x = 30,274,236 × 30,274,236
  4. Step 4: Simplify right side
    20,187,765x = 916,529,365,383,696
  5. Step 5: Solve for x
    x = 916,529,365,383,696/20,187,765
  6. Step 6: Final answer
    x = 45,400,239.47

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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.