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Finding the Third Proportional to 172,710,619 and 246,978,082

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Solution

The third proportional to 172,710,619 and 246,978,082 is: 353,181,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,710,619 : 246,978,082 = 246,978,082 : x
  2. Step 2: Convert to fraction form
    172,710,619/246,978,082 = 246,978,082/x
  3. Step 3: Cross multiply
    172,710,619x = 246,978,082 × 246,978,082
  4. Step 4: Simplify right side
    172,710,619x = 60,998,172,988,398,720
  5. Step 5: Solve for x
    x = 60,998,172,988,398,720/172,710,619
  6. Step 6: Final answer
    x = 353,181,369.75

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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.