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Finding the Third Proportional to 40,956,839 and 87,991,875

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Solution

The third proportional to 40,956,839 and 87,991,875 is: 189,042,178.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,956,839 : 87,991,875 = 87,991,875 : x
  2. Step 2: Convert to fraction form
    40,956,839/87,991,875 = 87,991,875/x
  3. Step 3: Cross multiply
    40,956,839x = 87,991,875 × 87,991,875
  4. Step 4: Simplify right side
    40,956,839x = 7,742,570,066,015,625
  5. Step 5: Solve for x
    x = 7,742,570,066,015,625/40,956,839
  6. Step 6: Final answer
    x = 189,042,178.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.