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Finding the Third Proportional to 1,868,676.75 and 2,672,187

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Solution

The third proportional to 1,868,676.75 and 2,672,187 is: 3,821,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,676.75 : 2,672,187 = 2,672,187 : x
  2. Step 2: Convert to fraction form
    1,868,676.75/2,672,187 = 2,672,187/x
  3. Step 3: Cross multiply
    1,868,676.75x = 2,672,187 × 2,672,187
  4. Step 4: Simplify right side
    1,868,676.75x = 7,140,583,362,969
  5. Step 5: Solve for x
    x = 7,140,583,362,969/1,868,676.75
  6. Step 6: Final answer
    x = 3,821,197.73

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.