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Finding the Third Proportional to 21,330,918 and 47,274,138

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Solution

The third proportional to 21,330,918 and 47,274,138 is: 104,770,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330,918 : 47,274,138 = 47,274,138 : x
  2. Step 2: Convert to fraction form
    21,330,918/47,274,138 = 47,274,138/x
  3. Step 3: Cross multiply
    21,330,918x = 47,274,138 × 47,274,138
  4. Step 4: Simplify right side
    21,330,918x = 2,234,844,123,643,044
  5. Step 5: Solve for x
    x = 2,234,844,123,643,044/21,330,918
  6. Step 6: Final answer
    x = 104,770,180.24

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.