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Finding the Third Proportional to 3,401,187 and 7,400,220

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Solution

The third proportional to 3,401,187 and 7,400,220 is: 16,101,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401,187 : 7,400,220 = 7,400,220 : x
  2. Step 2: Convert to fraction form
    3,401,187/7,400,220 = 7,400,220/x
  3. Step 3: Cross multiply
    3,401,187x = 7,400,220 × 7,400,220
  4. Step 4: Simplify right side
    3,401,187x = 54,763,256,048,400
  5. Step 5: Solve for x
    x = 54,763,256,048,400/3,401,187
  6. Step 6: Final answer
    x = 16,101,218.79

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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.