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Finding the Third Proportional to 25,305,821,151 and 54,420,081,366

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Solution

The third proportional to 25,305,821,151 and 54,420,081,366 is: 117,030,197,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305,821,151 : 54,420,081,366 = 54,420,081,366 : x
  2. Step 2: Convert to fraction form
    25,305,821,151/54,420,081,366 = 54,420,081,366/x
  3. Step 3: Cross multiply
    25,305,821,151x = 54,420,081,366 × 54,420,081,366
  4. Step 4: Simplify right side
    25,305,821,151x = 2,961,545,255,882,060,201,984
  5. Step 5: Solve for x
    x = 2,961,545,255,882,060,201,984/25,305,821,151
  6. Step 6: Final answer
    x = 117,030,197,843.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.