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Finding the Third Proportional to 8,622,936 and 13,526,821

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Solution

The third proportional to 8,622,936 and 13,526,821 is: 21,219,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622,936 : 13,526,821 = 13,526,821 : x
  2. Step 2: Convert to fraction form
    8,622,936/13,526,821 = 13,526,821/x
  3. Step 3: Cross multiply
    8,622,936x = 13,526,821 × 13,526,821
  4. Step 4: Simplify right side
    8,622,936x = 182,974,886,366,041
  5. Step 5: Solve for x
    x = 182,974,886,366,041/8,622,936
  6. Step 6: Final answer
    x = 21,219,557.51

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.