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Finding the Third Proportional to 2,199,858.75 and 3,173,676.19

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Solution

The third proportional to 2,199,858.75 and 3,173,676.19 is: 4,578,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,858.75 : 3,173,676.19 = 3,173,676.19 : x
  2. Step 2: Convert to fraction form
    2,199,858.75/3,173,676.19 = 3,173,676.19/x
  3. Step 3: Cross multiply
    2,199,858.75x = 3,173,676.19 × 3,173,676.19
  4. Step 4: Simplify right side
    2,199,858.75x = 10,072,220,543,104.54
  5. Step 5: Solve for x
    x = 10,072,220,543,104.54/2,199,858.75
  6. Step 6: Final answer
    x = 4,578,576.03

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.