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Finding the Third Proportional to 8,361,992 and 18,317,392

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Solution

The third proportional to 8,361,992 and 18,317,392 is: 40,125,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361,992 : 18,317,392 = 18,317,392 : x
  2. Step 2: Convert to fraction form
    8,361,992/18,317,392 = 18,317,392/x
  3. Step 3: Cross multiply
    8,361,992x = 18,317,392 × 18,317,392
  4. Step 4: Simplify right side
    8,361,992x = 335,526,849,681,664
  5. Step 5: Solve for x
    x = 335,526,849,681,664/8,361,992
  6. Step 6: Final answer
    x = 40,125,229.69

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.