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Finding the Third Proportional to 628,789.50 and 1,363,914.28

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Solution

The third proportional to 628,789.50 and 1,363,914.28 is: 2,958,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,789.50 : 1,363,914.28 = 1,363,914.28 : x
  2. Step 2: Convert to fraction form
    628,789.50/1,363,914.28 = 1,363,914.28/x
  3. Step 3: Cross multiply
    628,789.50x = 1,363,914.28 × 1,363,914.28
  4. Step 4: Simplify right side
    628,789.50x = 1,860,262,166,597.70
  5. Step 5: Solve for x
    x = 1,860,262,166,597.70/628,789.50
  6. Step 6: Final answer
    x = 2,958,481.60

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.