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Finding the Third Proportional to 3,990,840 and 6,085,899

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Solution

The third proportional to 3,990,840 and 6,085,899 is: 9,280,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,840 : 6,085,899 = 6,085,899 : x
  2. Step 2: Convert to fraction form
    3,990,840/6,085,899 = 6,085,899/x
  3. Step 3: Cross multiply
    3,990,840x = 6,085,899 × 6,085,899
  4. Step 4: Simplify right side
    3,990,840x = 37,038,166,638,201
  5. Step 5: Solve for x
    x = 37,038,166,638,201/3,990,840
  6. Step 6: Final answer
    x = 9,280,794.68

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.