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Finding the Third Proportional to 181,137,019 and 397,858,897

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Solution

The third proportional to 181,137,019 and 397,858,897 is: 873,878,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,137,019 : 397,858,897 = 397,858,897 : x
  2. Step 2: Convert to fraction form
    181,137,019/397,858,897 = 397,858,897/x
  3. Step 3: Cross multiply
    181,137,019x = 397,858,897 × 397,858,897
  4. Step 4: Simplify right side
    181,137,019x = 158,291,701,922,056,608
  5. Step 5: Solve for x
    x = 158,291,701,922,056,608/181,137,019
  6. Step 6: Final answer
    x = 873,878,254.13

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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.