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Finding the Third Proportional to 9,436,954 and 20,640,140

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Solution

The third proportional to 9,436,954 and 20,640,140 is: 45,143,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436,954 : 20,640,140 = 20,640,140 : x
  2. Step 2: Convert to fraction form
    9,436,954/20,640,140 = 20,640,140/x
  3. Step 3: Cross multiply
    9,436,954x = 20,640,140 × 20,640,140
  4. Step 4: Simplify right side
    9,436,954x = 426,015,379,219,600
  5. Step 5: Solve for x
    x = 426,015,379,219,600/9,436,954
  6. Step 6: Final answer
    x = 45,143,314.17

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.