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Finding the Third Proportional to 854,289 and 1,879,110

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Solution

The third proportional to 854,289 and 1,879,110 is: 4,133,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,289 : 1,879,110 = 1,879,110 : x
  2. Step 2: Convert to fraction form
    854,289/1,879,110 = 1,879,110/x
  3. Step 3: Cross multiply
    854,289x = 1,879,110 × 1,879,110
  4. Step 4: Simplify right side
    854,289x = 3,531,054,392,100
  5. Step 5: Solve for x
    x = 3,531,054,392,100/854,289
  6. Step 6: Final answer
    x = 4,133,325.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.