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Finding the Third Proportional to 1,902,529,079 and 4,179,192,622

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Solution

The third proportional to 1,902,529,079 and 4,179,192,622 is: 9,180,228,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,529,079 : 4,179,192,622 = 4,179,192,622 : x
  2. Step 2: Convert to fraction form
    1,902,529,079/4,179,192,622 = 4,179,192,622/x
  3. Step 3: Cross multiply
    1,902,529,079x = 4,179,192,622 × 4,179,192,622
  4. Step 4: Simplify right side
    1,902,529,079x = 17,465,650,971,779,235,840
  5. Step 5: Solve for x
    x = 17,465,650,971,779,235,840/1,902,529,079
  6. Step 6: Final answer
    x = 9,180,228,131.37

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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.