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Finding the Third Proportional to 4,183,380 and 6,464,245.50

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Solution

The third proportional to 4,183,380 and 6,464,245.50 is: 9,988,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183,380 : 6,464,245.50 = 6,464,245.50 : x
  2. Step 2: Convert to fraction form
    4,183,380/6,464,245.50 = 6,464,245.50/x
  3. Step 3: Cross multiply
    4,183,380x = 6,464,245.50 × 6,464,245.50
  4. Step 4: Simplify right side
    4,183,380x = 41,786,469,884,270.25
  5. Step 5: Solve for x
    x = 41,786,469,884,270.25/4,183,380
  6. Step 6: Final answer
    x = 9,988,686.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.