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Finding the Third Proportional to 9,090,279 and 19,622,748.75

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Solution

The third proportional to 9,090,279 and 19,622,748.75 is: 42,358,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090,279 : 19,622,748.75 = 19,622,748.75 : x
  2. Step 2: Convert to fraction form
    9,090,279/19,622,748.75 = 19,622,748.75/x
  3. Step 3: Cross multiply
    9,090,279x = 19,622,748.75 × 19,622,748.75
  4. Step 4: Simplify right side
    9,090,279x = 385,052,268,505,626.56
  5. Step 5: Solve for x
    x = 385,052,268,505,626.56/9,090,279
  6. Step 6: Final answer
    x = 42,358,685.42

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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.