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Finding the Third Proportional to 8,322,834.38 and 18,236,709.56

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Solution

The third proportional to 8,322,834.38 and 18,236,709.56 is: 39,959,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322,834.38 : 18,236,709.56 = 18,236,709.56 : x
  2. Step 2: Convert to fraction form
    8,322,834.38/18,236,709.56 = 18,236,709.56/x
  3. Step 3: Cross multiply
    8,322,834.38x = 18,236,709.56 × 18,236,709.56
  4. Step 4: Simplify right side
    8,322,834.38x = 332,577,575,666,978.94
  5. Step 5: Solve for x
    x = 332,577,575,666,978.94/8,322,834.38
  6. Step 6: Final answer
    x = 39,959,653.25

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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.