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Finding the Third Proportional to 5,090,914.75 and 10,978,450.75

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Solution

The third proportional to 5,090,914.75 and 10,978,450.75 is: 23,674,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090,914.75 : 10,978,450.75 = 10,978,450.75 : x
  2. Step 2: Convert to fraction form
    5,090,914.75/10,978,450.75 = 10,978,450.75/x
  3. Step 3: Cross multiply
    5,090,914.75x = 10,978,450.75 × 10,978,450.75
  4. Step 4: Simplify right side
    5,090,914.75x = 120,526,380,870,175.56
  5. Step 5: Solve for x
    x = 120,526,380,870,175.56/5,090,914.75
  6. Step 6: Final answer
    x = 23,674,798.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.