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Finding the Third Proportional to 3,194,859 and 7,028,445

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Solution

The third proportional to 3,194,859 and 7,028,445 is: 15,462,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194,859 : 7,028,445 = 7,028,445 : x
  2. Step 2: Convert to fraction form
    3,194,859/7,028,445 = 7,028,445/x
  3. Step 3: Cross multiply
    3,194,859x = 7,028,445 × 7,028,445
  4. Step 4: Simplify right side
    3,194,859x = 49,399,039,118,025
  5. Step 5: Solve for x
    x = 49,399,039,118,025/3,194,859
  6. Step 6: Final answer
    x = 15,462,040.46

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.