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Finding the Third Proportional to 3,979,257 and 8,525,832

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Solution

The third proportional to 3,979,257 and 8,525,832 is: 18,267,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,257 : 8,525,832 = 8,525,832 : x
  2. Step 2: Convert to fraction form
    3,979,257/8,525,832 = 8,525,832/x
  3. Step 3: Cross multiply
    3,979,257x = 8,525,832 × 8,525,832
  4. Step 4: Simplify right side
    3,979,257x = 72,689,811,292,224
  5. Step 5: Solve for x
    x = 72,689,811,292,224/3,979,257
  6. Step 6: Final answer
    x = 18,267,181.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.