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Finding the Third Proportional to 4,138,992,120 and 9,079,302,028

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Solution

The third proportional to 4,138,992,120 and 9,079,302,028 is: 19,916,376,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,992,120 : 9,079,302,028 = 9,079,302,028 : x
  2. Step 2: Convert to fraction form
    4,138,992,120/9,079,302,028 = 9,079,302,028/x
  3. Step 3: Cross multiply
    4,138,992,120x = 9,079,302,028 × 9,079,302,028
  4. Step 4: Simplify right side
    4,138,992,120x = 82,433,725,315,644,915,712
  5. Step 5: Solve for x
    x = 82,433,725,315,644,915,712/4,138,992,120
  6. Step 6: Final answer
    x = 19,916,376,481.44

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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.