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Finding the Third Proportional to 12,874,007 and 18,042,888

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Solution

The third proportional to 12,874,007 and 18,042,888 is: 25,287,061.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874,007 : 18,042,888 = 18,042,888 : x
  2. Step 2: Convert to fraction form
    12,874,007/18,042,888 = 18,042,888/x
  3. Step 3: Cross multiply
    12,874,007x = 18,042,888 × 18,042,888
  4. Step 4: Simplify right side
    12,874,007x = 325,545,807,380,544
  5. Step 5: Solve for x
    x = 325,545,807,380,544/12,874,007
  6. Step 6: Final answer
    x = 25,287,061.55

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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.