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Finding the Third Proportional to 858,845 and 1,865,677

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Solution

The third proportional to 858,845 and 1,865,677 is: 4,052,827.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,845 : 1,865,677 = 1,865,677 : x
  2. Step 2: Convert to fraction form
    858,845/1,865,677 = 1,865,677/x
  3. Step 3: Cross multiply
    858,845x = 1,865,677 × 1,865,677
  4. Step 4: Simplify right side
    858,845x = 3,480,750,668,329
  5. Step 5: Solve for x
    x = 3,480,750,668,329/858,845
  6. Step 6: Final answer
    x = 4,052,827.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.