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Finding the Third Proportional to 1,862,125.88 and 3,999,834

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Solution

The third proportional to 1,862,125.88 and 3,999,834 is: 8,591,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,125.88 : 3,999,834 = 3,999,834 : x
  2. Step 2: Convert to fraction form
    1,862,125.88/3,999,834 = 3,999,834/x
  3. Step 3: Cross multiply
    1,862,125.88x = 3,999,834 × 3,999,834
  4. Step 4: Simplify right side
    1,862,125.88x = 15,998,672,027,556
  5. Step 5: Solve for x
    x = 15,998,672,027,556/1,862,125.88
  6. Step 6: Final answer
    x = 8,591,616.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.