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Finding the Third Proportional to 1,870,867 and 4,041,109

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Solution

The third proportional to 1,870,867 and 4,041,109 is: 8,728,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,867 : 4,041,109 = 4,041,109 : x
  2. Step 2: Convert to fraction form
    1,870,867/4,041,109 = 4,041,109/x
  3. Step 3: Cross multiply
    1,870,867x = 4,041,109 × 4,041,109
  4. Step 4: Simplify right side
    1,870,867x = 16,330,561,949,881
  5. Step 5: Solve for x
    x = 16,330,561,949,881/1,870,867
  6. Step 6: Final answer
    x = 8,728,873.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.