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Finding the Third Proportional to 3,295,818 and 7,220,019

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Solution

The third proportional to 3,295,818 and 7,220,019 is: 15,816,611.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295,818 : 7,220,019 = 7,220,019 : x
  2. Step 2: Convert to fraction form
    3,295,818/7,220,019 = 7,220,019/x
  3. Step 3: Cross multiply
    3,295,818x = 7,220,019 × 7,220,019
  4. Step 4: Simplify right side
    3,295,818x = 52,128,674,360,361
  5. Step 5: Solve for x
    x = 52,128,674,360,361/3,295,818
  6. Step 6: Final answer
    x = 15,816,611.95

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.