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Finding the Third Proportional to 115,605,224 and 189,783,372

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Solution

The third proportional to 115,605,224 and 189,783,372 is: 311,557,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,605,224 : 189,783,372 = 189,783,372 : x
  2. Step 2: Convert to fraction form
    115,605,224/189,783,372 = 189,783,372/x
  3. Step 3: Cross multiply
    115,605,224x = 189,783,372 × 189,783,372
  4. Step 4: Simplify right side
    115,605,224x = 36,017,728,287,690,384
  5. Step 5: Solve for x
    x = 36,017,728,287,690,384/115,605,224
  6. Step 6: Final answer
    x = 311,557,964.61

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.