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Finding the Third Proportional to 181,139,370 and 397,864,308

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Solution

The third proportional to 181,139,370 and 397,864,308 is: 873,890,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,139,370 : 397,864,308 = 397,864,308 : x
  2. Step 2: Convert to fraction form
    181,139,370/397,864,308 = 397,864,308/x
  3. Step 3: Cross multiply
    181,139,370x = 397,864,308 × 397,864,308
  4. Step 4: Simplify right side
    181,139,370x = 158,296,007,580,318,848
  5. Step 5: Solve for x
    x = 158,296,007,580,318,848/181,139,370
  6. Step 6: Final answer
    x = 873,890,681.97

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.