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Finding the Third Proportional to 3,405,183 and 5,078,245.50

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Solution

The third proportional to 3,405,183 and 5,078,245.50 is: 7,573,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,183 : 5,078,245.50 = 5,078,245.50 : x
  2. Step 2: Convert to fraction form
    3,405,183/5,078,245.50 = 5,078,245.50/x
  3. Step 3: Cross multiply
    3,405,183x = 5,078,245.50 × 5,078,245.50
  4. Step 4: Simplify right side
    3,405,183x = 25,788,577,358,270.25
  5. Step 5: Solve for x
    x = 25,788,577,358,270.25/3,405,183
  6. Step 6: Final answer
    x = 7,573,330.82

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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.