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Finding the Third Proportional to 181,840,162 and 398,885,515

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Solution

The third proportional to 181,840,162 and 398,885,515 is: 874,997,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,840,162 : 398,885,515 = 398,885,515 : x
  2. Step 2: Convert to fraction form
    181,840,162/398,885,515 = 398,885,515/x
  3. Step 3: Cross multiply
    181,840,162x = 398,885,515 × 398,885,515
  4. Step 4: Simplify right side
    181,840,162x = 159,109,654,076,815,232
  5. Step 5: Solve for x
    x = 159,109,654,076,815,232/181,840,162
  6. Step 6: Final answer
    x = 874,997,318.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.