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Finding the Third Proportional to 1,862,148 and 3,999,876

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Solution

The third proportional to 1,862,148 and 3,999,876 is: 8,591,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,148 : 3,999,876 = 3,999,876 : x
  2. Step 2: Convert to fraction form
    1,862,148/3,999,876 = 3,999,876/x
  3. Step 3: Cross multiply
    1,862,148x = 3,999,876 × 3,999,876
  4. Step 4: Simplify right side
    1,862,148x = 15,999,008,015,376
  5. Step 5: Solve for x
    x = 15,999,008,015,376/1,862,148
  6. Step 6: Final answer
    x = 8,591,695.19

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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.