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Finding the Third Proportional to 4,190,530 and 9,204,056

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Solution

The third proportional to 4,190,530 and 9,204,056 is: 20,215,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190,530 : 9,204,056 = 9,204,056 : x
  2. Step 2: Convert to fraction form
    4,190,530/9,204,056 = 9,204,056/x
  3. Step 3: Cross multiply
    4,190,530x = 9,204,056 × 9,204,056
  4. Step 4: Simplify right side
    4,190,530x = 84,714,646,851,136
  5. Step 5: Solve for x
    x = 84,714,646,851,136/4,190,530
  6. Step 6: Final answer
    x = 20,215,735.68

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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.