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Finding the Third Proportional to 3,393,621 and 7,318,602

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Solution

The third proportional to 3,393,621 and 7,318,602 is: 15,783,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,621 : 7,318,602 = 7,318,602 : x
  2. Step 2: Convert to fraction form
    3,393,621/7,318,602 = 7,318,602/x
  3. Step 3: Cross multiply
    3,393,621x = 7,318,602 × 7,318,602
  4. Step 4: Simplify right side
    3,393,621x = 53,561,935,234,404
  5. Step 5: Solve for x
    x = 53,561,935,234,404/3,393,621
  6. Step 6: Final answer
    x = 15,783,122.29

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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.