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Finding the Third Proportional to 3,530,189 and 7,620,246

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Solution

The third proportional to 3,530,189 and 7,620,246 is: 16,449,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530,189 : 7,620,246 = 7,620,246 : x
  2. Step 2: Convert to fraction form
    3,530,189/7,620,246 = 7,620,246/x
  3. Step 3: Cross multiply
    3,530,189x = 7,620,246 × 7,620,246
  4. Step 4: Simplify right side
    3,530,189x = 58,068,149,100,516
  5. Step 5: Solve for x
    x = 58,068,149,100,516/3,530,189
  6. Step 6: Final answer
    x = 16,449,019.90

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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.