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Finding the Third Proportional to 1,621,950,955 and 2,512,615,002

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Solution

The third proportional to 1,621,950,955 and 2,512,615,002 is: 3,892,370,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,950,955 : 2,512,615,002 = 2,512,615,002 : x
  2. Step 2: Convert to fraction form
    1,621,950,955/2,512,615,002 = 2,512,615,002/x
  3. Step 3: Cross multiply
    1,621,950,955x = 2,512,615,002 × 2,512,615,002
  4. Step 4: Simplify right side
    1,621,950,955x = 6,313,234,148,275,460,096
  5. Step 5: Solve for x
    x = 6,313,234,148,275,460,096/1,621,950,955
  6. Step 6: Final answer
    x = 3,892,370,560.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.