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Finding the Third Proportional to 1,868,401 and 4,085,786

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Solution

The third proportional to 1,868,401 and 4,085,786 is: 8,934,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,401 : 4,085,786 = 4,085,786 : x
  2. Step 2: Convert to fraction form
    1,868,401/4,085,786 = 4,085,786/x
  3. Step 3: Cross multiply
    1,868,401x = 4,085,786 × 4,085,786
  4. Step 4: Simplify right side
    1,868,401x = 16,693,647,237,796
  5. Step 5: Solve for x
    x = 16,693,647,237,796/1,868,401
  6. Step 6: Final answer
    x = 8,934,723.99

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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.