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Finding the Third Proportional to 9,122,244 and 19,690,824

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Solution

The third proportional to 9,122,244 and 19,690,824 is: 42,503,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122,244 : 19,690,824 = 19,690,824 : x
  2. Step 2: Convert to fraction form
    9,122,244/19,690,824 = 19,690,824/x
  3. Step 3: Cross multiply
    9,122,244x = 19,690,824 × 19,690,824
  4. Step 4: Simplify right side
    9,122,244x = 387,728,549,798,976
  5. Step 5: Solve for x
    x = 387,728,549,798,976/9,122,244
  6. Step 6: Final answer
    x = 42,503,637.24

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.