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Finding the Third Proportional to 3,946,065.75 and 8,479,554.75

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Solution

The third proportional to 3,946,065.75 and 8,479,554.75 is: 18,221,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,065.75 : 8,479,554.75 = 8,479,554.75 : x
  2. Step 2: Convert to fraction form
    3,946,065.75/8,479,554.75 = 8,479,554.75/x
  3. Step 3: Cross multiply
    3,946,065.75x = 8,479,554.75 × 8,479,554.75
  4. Step 4: Simplify right side
    3,946,065.75x = 71,902,848,758,247.56
  5. Step 5: Solve for x
    x = 71,902,848,758,247.56/3,946,065.75
  6. Step 6: Final answer
    x = 18,221,401.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.