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Finding the Third Proportional to 1,211,025,170 and 2,651,317,780

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Solution

The third proportional to 1,211,025,170 and 2,651,317,780 is: 5,804,574,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,025,170 : 2,651,317,780 = 2,651,317,780 : x
  2. Step 2: Convert to fraction form
    1,211,025,170/2,651,317,780 = 2,651,317,780/x
  3. Step 3: Cross multiply
    1,211,025,170x = 2,651,317,780 × 2,651,317,780
  4. Step 4: Simplify right side
    1,211,025,170x = 7,029,485,970,544,128,000
  5. Step 5: Solve for x
    x = 7,029,485,970,544,128,000/1,211,025,170
  6. Step 6: Final answer
    x = 5,804,574,623.78

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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.