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Finding the Third Proportional to 4,428,891 and 9,211,151

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Solution

The third proportional to 4,428,891 and 9,211,151 is: 19,157,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,891 : 9,211,151 = 9,211,151 : x
  2. Step 2: Convert to fraction form
    4,428,891/9,211,151 = 9,211,151/x
  3. Step 3: Cross multiply
    4,428,891x = 9,211,151 × 9,211,151
  4. Step 4: Simplify right side
    4,428,891x = 84,845,302,744,801
  5. Step 5: Solve for x
    x = 84,845,302,744,801/4,428,891
  6. Step 6: Final answer
    x = 19,157,234.34

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.