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Finding the Third Proportional to 3,393,668 and 7,318,690

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Solution

The third proportional to 3,393,668 and 7,318,690 is: 15,783,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,668 : 7,318,690 = 7,318,690 : x
  2. Step 2: Convert to fraction form
    3,393,668/7,318,690 = 7,318,690/x
  3. Step 3: Cross multiply
    3,393,668x = 7,318,690 × 7,318,690
  4. Step 4: Simplify right side
    3,393,668x = 53,563,223,316,100
  5. Step 5: Solve for x
    x = 53,563,223,316,100/3,393,668
  6. Step 6: Final answer
    x = 15,783,283.25

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.