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Finding the Third Proportional to 5,558,736.38 and 8,305,375.50

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Solution

The third proportional to 5,558,736.38 and 8,305,375.50 is: 12,409,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558,736.38 : 8,305,375.50 = 8,305,375.50 : x
  2. Step 2: Convert to fraction form
    5,558,736.38/8,305,375.50 = 8,305,375.50/x
  3. Step 3: Cross multiply
    5,558,736.38x = 8,305,375.50 × 8,305,375.50
  4. Step 4: Simplify right side
    5,558,736.38x = 68,979,262,196,000.25
  5. Step 5: Solve for x
    x = 68,979,262,196,000.25/5,558,736.38
  6. Step 6: Final answer
    x = 12,409,162.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.