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Finding the Third Proportional to 9,143,477 and 19,863,175

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Solution

The third proportional to 9,143,477 and 19,863,175 is: 43,150,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143,477 : 19,863,175 = 19,863,175 : x
  2. Step 2: Convert to fraction form
    9,143,477/19,863,175 = 19,863,175/x
  3. Step 3: Cross multiply
    9,143,477x = 19,863,175 × 19,863,175
  4. Step 4: Simplify right side
    9,143,477x = 394,545,721,080,625
  5. Step 5: Solve for x
    x = 394,545,721,080,625/9,143,477
  6. Step 6: Final answer
    x = 43,150,512.77

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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.