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Finding the Third Proportional to 12,874,009 and 18,042,891

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Solution

The third proportional to 12,874,009 and 18,042,891 is: 25,287,066.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874,009 : 18,042,891 = 18,042,891 : x
  2. Step 2: Convert to fraction form
    12,874,009/18,042,891 = 18,042,891/x
  3. Step 3: Cross multiply
    12,874,009x = 18,042,891 × 18,042,891
  4. Step 4: Simplify right side
    12,874,009x = 325,545,915,637,881
  5. Step 5: Solve for x
    x = 325,545,915,637,881/12,874,009
  6. Step 6: Final answer
    x = 25,287,066.03

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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.