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Finding the Third Proportional to 2,990,678 and 6,579,212

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Solution

The third proportional to 2,990,678 and 6,579,212 is: 14,473,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,678 : 6,579,212 = 6,579,212 : x
  2. Step 2: Convert to fraction form
    2,990,678/6,579,212 = 6,579,212/x
  3. Step 3: Cross multiply
    2,990,678x = 6,579,212 × 6,579,212
  4. Step 4: Simplify right side
    2,990,678x = 43,286,030,540,944
  5. Step 5: Solve for x
    x = 43,286,030,540,944/2,990,678
  6. Step 6: Final answer
    x = 14,473,651.31

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.