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Finding the Third Proportional to 13,369,078 and 20,366,961

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Solution

The third proportional to 13,369,078 and 20,366,961 is: 31,027,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,078 : 20,366,961 = 20,366,961 : x
  2. Step 2: Convert to fraction form
    13,369,078/20,366,961 = 20,366,961/x
  3. Step 3: Cross multiply
    13,369,078x = 20,366,961 × 20,366,961
  4. Step 4: Simplify right side
    13,369,078x = 414,813,100,375,521
  5. Step 5: Solve for x
    x = 414,813,100,375,521/13,369,078
  6. Step 6: Final answer
    x = 31,027,801.65

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.