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Finding the Third Proportional to 9,042,869 and 13,470,888

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Solution

The third proportional to 9,042,869 and 13,470,888 is: 20,067,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,869 : 13,470,888 = 13,470,888 : x
  2. Step 2: Convert to fraction form
    9,042,869/13,470,888 = 13,470,888/x
  3. Step 3: Cross multiply
    9,042,869x = 13,470,888 × 13,470,888
  4. Step 4: Simplify right side
    9,042,869x = 181,464,823,508,544
  5. Step 5: Solve for x
    x = 181,464,823,508,544/9,042,869
  6. Step 6: Final answer
    x = 20,067,173.76

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.