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Finding the Third Proportional to 172,711,066 and 246,978,860

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Solution

The third proportional to 172,711,066 and 246,978,860 is: 353,182,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,711,066 : 246,978,860 = 246,978,860 : x
  2. Step 2: Convert to fraction form
    172,711,066/246,978,860 = 246,978,860/x
  3. Step 3: Cross multiply
    172,711,066x = 246,978,860 × 246,978,860
  4. Step 4: Simplify right side
    172,711,066x = 60,998,557,286,899,600
  5. Step 5: Solve for x
    x = 60,998,557,286,899,600/172,711,066
  6. Step 6: Final answer
    x = 353,182,680.76

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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.