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Finding the Third Proportional to 854,308 and 1,879,147

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Solution

The third proportional to 854,308 and 1,879,147 is: 4,133,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,308 : 1,879,147 = 1,879,147 : x
  2. Step 2: Convert to fraction form
    854,308/1,879,147 = 1,879,147/x
  3. Step 3: Cross multiply
    854,308x = 1,879,147 × 1,879,147
  4. Step 4: Simplify right side
    854,308x = 3,531,193,447,609
  5. Step 5: Solve for x
    x = 3,531,193,447,609/854,308
  6. Step 6: Final answer
    x = 4,133,396.21

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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.