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Finding the Third Proportional to 1,621,279,046 and 3,287,672,086

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Solution

The third proportional to 1,621,279,046 and 3,287,672,086 is: 6,666,827,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,279,046 : 3,287,672,086 = 3,287,672,086 : x
  2. Step 2: Convert to fraction form
    1,621,279,046/3,287,672,086 = 3,287,672,086/x
  3. Step 3: Cross multiply
    1,621,279,046x = 3,287,672,086 × 3,287,672,086
  4. Step 4: Simplify right side
    1,621,279,046x = 10,808,787,745,063,591,936
  5. Step 5: Solve for x
    x = 10,808,787,745,063,591,936/1,621,279,046
  6. Step 6: Final answer
    x = 6,666,827,509.88

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.