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Finding the Third Proportional to 2,628,286.50 and 3,842,647.88

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Solution

The third proportional to 2,628,286.50 and 3,842,647.88 is: 5,618,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,286.50 : 3,842,647.88 = 3,842,647.88 : x
  2. Step 2: Convert to fraction form
    2,628,286.50/3,842,647.88 = 3,842,647.88/x
  3. Step 3: Cross multiply
    2,628,286.50x = 3,842,647.88 × 3,842,647.88
  4. Step 4: Simplify right side
    2,628,286.50x = 14,765,942,691,242.02
  5. Step 5: Solve for x
    x = 14,765,942,691,242.02/2,628,286.50
  6. Step 6: Final answer
    x = 5,618,087.18

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.