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Finding the Third Proportional to 3,607,109,878 and 7,947,962,628

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Solution

The third proportional to 3,607,109,878 and 7,947,962,628 is: 17,512,665,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607,109,878 : 7,947,962,628 = 7,947,962,628 : x
  2. Step 2: Convert to fraction form
    3,607,109,878/7,947,962,628 = 7,947,962,628/x
  3. Step 3: Cross multiply
    3,607,109,878x = 7,947,962,628 × 7,947,962,628
  4. Step 4: Simplify right side
    3,607,109,878x = 63,170,109,936,084,664,320
  5. Step 5: Solve for x
    x = 63,170,109,936,084,664,320/3,607,109,878
  6. Step 6: Final answer
    x = 17,512,665,838.48

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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.