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Finding the Third Proportional to 863,286 and 1,879,833

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Solution

The third proportional to 863,286 and 1,879,833 is: 4,093,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,286 : 1,879,833 = 1,879,833 : x
  2. Step 2: Convert to fraction form
    863,286/1,879,833 = 1,879,833/x
  3. Step 3: Cross multiply
    863,286x = 1,879,833 × 1,879,833
  4. Step 4: Simplify right side
    863,286x = 3,533,772,107,889
  5. Step 5: Solve for x
    x = 3,533,772,107,889/863,286
  6. Step 6: Final answer
    x = 4,093,396.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.