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Finding the Third Proportional to 9,842,652 and 21,621,096

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Solution

The third proportional to 9,842,652 and 21,621,096 is: 47,494,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,842,652 : 21,621,096 = 21,621,096 : x
  2. Step 2: Convert to fraction form
    9,842,652/21,621,096 = 21,621,096/x
  3. Step 3: Cross multiply
    9,842,652x = 21,621,096 × 21,621,096
  4. Step 4: Simplify right side
    9,842,652x = 467,471,792,241,216
  5. Step 5: Solve for x
    x = 467,471,792,241,216/9,842,652
  6. Step 6: Final answer
    x = 47,494,495.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.