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Finding the Third Proportional to 20,994,306 and 43,664,172

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Solution

The third proportional to 20,994,306 and 43,664,172 is: 90,813,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,994,306 : 43,664,172 = 43,664,172 : x
  2. Step 2: Convert to fraction form
    20,994,306/43,664,172 = 43,664,172/x
  3. Step 3: Cross multiply
    20,994,306x = 43,664,172 × 43,664,172
  4. Step 4: Simplify right side
    20,994,306x = 1,906,559,916,445,584
  5. Step 5: Solve for x
    x = 1,906,559,916,445,584/20,994,306
  6. Step 6: Final answer
    x = 90,813,190.80

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.