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Finding the Third Proportional to 3,393,724 and 7,318,808

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Solution

The third proportional to 3,393,724 and 7,318,808 is: 15,783,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,724 : 7,318,808 = 7,318,808 : x
  2. Step 2: Convert to fraction form
    3,393,724/7,318,808 = 7,318,808/x
  3. Step 3: Cross multiply
    3,393,724x = 7,318,808 × 7,318,808
  4. Step 4: Simplify right side
    3,393,724x = 53,564,950,540,864
  5. Step 5: Solve for x
    x = 53,564,950,540,864/3,393,724
  6. Step 6: Final answer
    x = 15,783,531.76

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Why These Related Problems?

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