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Finding the Third Proportional to 4,082,474 and 8,788,972

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Solution

The third proportional to 4,082,474 and 8,788,972 is: 18,921,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082,474 : 8,788,972 = 8,788,972 : x
  2. Step 2: Convert to fraction form
    4,082,474/8,788,972 = 8,788,972/x
  3. Step 3: Cross multiply
    4,082,474x = 8,788,972 × 8,788,972
  4. Step 4: Simplify right side
    4,082,474x = 77,246,028,816,784
  5. Step 5: Solve for x
    x = 77,246,028,816,784/4,082,474
  6. Step 6: Final answer
    x = 18,921,376.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.