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Finding the Third Proportional to 3,395,978.16 and 5,080,520.60

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Solution

The third proportional to 3,395,978.16 and 5,080,520.60 is: 7,600,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395,978.16 : 5,080,520.60 = 5,080,520.60 : x
  2. Step 2: Convert to fraction form
    3,395,978.16/5,080,520.60 = 5,080,520.60/x
  3. Step 3: Cross multiply
    3,395,978.16x = 5,080,520.60 × 5,080,520.60
  4. Step 4: Simplify right side
    3,395,978.16x = 25,811,689,582,900.99
  5. Step 5: Solve for x
    x = 25,811,689,582,900.99/3,395,978.16
  6. Step 6: Final answer
    x = 7,600,664.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.