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Finding the Third Proportional to 3,946,068 and 8,479,559

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Solution

The third proportional to 3,946,068 and 8,479,559 is: 18,221,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,068 : 8,479,559 = 8,479,559 : x
  2. Step 2: Convert to fraction form
    3,946,068/8,479,559 = 8,479,559/x
  3. Step 3: Cross multiply
    3,946,068x = 8,479,559 × 8,479,559
  4. Step 4: Simplify right side
    3,946,068x = 71,902,920,834,481
  5. Step 5: Solve for x
    x = 71,902,920,834,481/3,946,068
  6. Step 6: Final answer
    x = 18,221,409.47

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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.