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Finding the Third Proportional to 3,090,992 and 6,639,040

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Solution

The third proportional to 3,090,992 and 6,639,040 is: 14,259,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,992 : 6,639,040 = 6,639,040 : x
  2. Step 2: Convert to fraction form
    3,090,992/6,639,040 = 6,639,040/x
  3. Step 3: Cross multiply
    3,090,992x = 6,639,040 × 6,639,040
  4. Step 4: Simplify right side
    3,090,992x = 44,076,852,121,600
  5. Step 5: Solve for x
    x = 44,076,852,121,600/3,090,992
  6. Step 6: Final answer
    x = 14,259,775.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.