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Finding the Third Proportional to 3,263,211 and 6,915,420

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Solution

The third proportional to 3,263,211 and 6,915,420 is: 14,655,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263,211 : 6,915,420 = 6,915,420 : x
  2. Step 2: Convert to fraction form
    3,263,211/6,915,420 = 6,915,420/x
  3. Step 3: Cross multiply
    3,263,211x = 6,915,420 × 6,915,420
  4. Step 4: Simplify right side
    3,263,211x = 47,823,033,776,400
  5. Step 5: Solve for x
    x = 47,823,033,776,400/3,263,211
  6. Step 6: Final answer
    x = 14,655,207.33

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.