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Finding the Third Proportional to 20,145,973 and 43,166,484

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Solution

The third proportional to 20,145,973 and 43,166,484 is: 92,492,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,145,973 : 43,166,484 = 43,166,484 : x
  2. Step 2: Convert to fraction form
    20,145,973/43,166,484 = 43,166,484/x
  3. Step 3: Cross multiply
    20,145,973x = 43,166,484 × 43,166,484
  4. Step 4: Simplify right side
    20,145,973x = 1,863,345,340,922,256
  5. Step 5: Solve for x
    x = 1,863,345,340,922,256/20,145,973
  6. Step 6: Final answer
    x = 92,492,198.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.