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Finding the Third Proportional to 9,459,930 and 20,751,162

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Solution

The third proportional to 9,459,930 and 20,751,162 is: 45,519,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459,930 : 20,751,162 = 20,751,162 : x
  2. Step 2: Convert to fraction form
    9,459,930/20,751,162 = 20,751,162/x
  3. Step 3: Cross multiply
    9,459,930x = 20,751,162 × 20,751,162
  4. Step 4: Simplify right side
    9,459,930x = 430,610,724,350,244
  5. Step 5: Solve for x
    x = 430,610,724,350,244/9,459,930
  6. Step 6: Final answer
    x = 45,519,440.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.