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Finding the Third Proportional to 998,800 and 2,201,187

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Solution

The third proportional to 998,800 and 2,201,187 is: 4,851,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,800 : 2,201,187 = 2,201,187 : x
  2. Step 2: Convert to fraction form
    998,800/2,201,187 = 2,201,187/x
  3. Step 3: Cross multiply
    998,800x = 2,201,187 × 2,201,187
  4. Step 4: Simplify right side
    998,800x = 4,845,224,208,969
  5. Step 5: Solve for x
    x = 4,845,224,208,969/998,800
  6. Step 6: Final answer
    x = 4,851,045.46

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.