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Finding the Third Proportional to 843,893 and 1,990,874

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Solution

The third proportional to 843,893 and 1,990,874 is: 4,696,779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,893 : 1,990,874 = 1,990,874 : x
  2. Step 2: Convert to fraction form
    843,893/1,990,874 = 1,990,874/x
  3. Step 3: Cross multiply
    843,893x = 1,990,874 × 1,990,874
  4. Step 4: Simplify right side
    843,893x = 3,963,579,283,876
  5. Step 5: Solve for x
    x = 3,963,579,283,876/843,893
  6. Step 6: Final answer
    x = 4,696,779.43

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.