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Finding the Third Proportional to 986,797 and 2,125,859

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Solution

The third proportional to 986,797 and 2,125,859 is: 4,579,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,797 : 2,125,859 = 2,125,859 : x
  2. Step 2: Convert to fraction form
    986,797/2,125,859 = 2,125,859/x
  3. Step 3: Cross multiply
    986,797x = 2,125,859 × 2,125,859
  4. Step 4: Simplify right side
    986,797x = 4,519,276,487,881
  5. Step 5: Solve for x
    x = 4,519,276,487,881/986,797
  6. Step 6: Final answer
    x = 4,579,742.83

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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.