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Finding the Third Proportional to 3,197,990 and 6,956,299

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Solution

The third proportional to 3,197,990 and 6,956,299 is: 15,131,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197,990 : 6,956,299 = 6,956,299 : x
  2. Step 2: Convert to fraction form
    3,197,990/6,956,299 = 6,956,299/x
  3. Step 3: Cross multiply
    3,197,990x = 6,956,299 × 6,956,299
  4. Step 4: Simplify right side
    3,197,990x = 48,390,095,777,401
  5. Step 5: Solve for x
    x = 48,390,095,777,401/3,197,990
  6. Step 6: Final answer
    x = 15,131,409.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.