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Finding the Third Proportional to 1,305,659,639 and 2,867,819,559

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Solution

The third proportional to 1,305,659,639 and 2,867,819,559 is: 6,299,029,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,659,639 : 2,867,819,559 = 2,867,819,559 : x
  2. Step 2: Convert to fraction form
    1,305,659,639/2,867,819,559 = 2,867,819,559/x
  3. Step 3: Cross multiply
    1,305,659,639x = 2,867,819,559 × 2,867,819,559
  4. Step 4: Simplify right side
    1,305,659,639x = 8,224,389,022,982,953,984
  5. Step 5: Solve for x
    x = 8,224,389,022,982,953,984/1,305,659,639
  6. Step 6: Final answer
    x = 6,299,029,836.97

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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.