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Finding the Third Proportional to 18,508,923 and 40,106,835

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Solution

The third proportional to 18,508,923 and 40,106,835 is: 86,907,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508,923 : 40,106,835 = 40,106,835 : x
  2. Step 2: Convert to fraction form
    18,508,923/40,106,835 = 40,106,835/x
  3. Step 3: Cross multiply
    18,508,923x = 40,106,835 × 40,106,835
  4. Step 4: Simplify right side
    18,508,923x = 1,608,558,213,717,225
  5. Step 5: Solve for x
    x = 1,608,558,213,717,225/18,508,923
  6. Step 6: Final answer
    x = 86,907,175.19

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.