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Finding the Third Proportional to 3,308,018 and 7,122,891

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Solution

The third proportional to 3,308,018 and 7,122,891 is: 15,337,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308,018 : 7,122,891 = 7,122,891 : x
  2. Step 2: Convert to fraction form
    3,308,018/7,122,891 = 7,122,891/x
  3. Step 3: Cross multiply
    3,308,018x = 7,122,891 × 7,122,891
  4. Step 4: Simplify right side
    3,308,018x = 50,735,576,197,881
  5. Step 5: Solve for x
    x = 50,735,576,197,881/3,308,018
  6. Step 6: Final answer
    x = 15,337,152.40

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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.