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Finding the Third Proportional to 12,873,992 and 18,042,867

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Solution

The third proportional to 12,873,992 and 18,042,867 is: 25,287,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873,992 : 18,042,867 = 18,042,867 : x
  2. Step 2: Convert to fraction form
    12,873,992/18,042,867 = 18,042,867/x
  3. Step 3: Cross multiply
    12,873,992x = 18,042,867 × 18,042,867
  4. Step 4: Simplify right side
    12,873,992x = 325,545,049,579,689
  5. Step 5: Solve for x
    x = 325,545,049,579,689/12,873,992
  6. Step 6: Final answer
    x = 25,287,032.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.