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Finding the Third Proportional to 1,621,951,000 and 2,512,615,078

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Solution

The third proportional to 1,621,951,000 and 2,512,615,078 is: 3,892,370,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,951,000 : 2,512,615,078 = 2,512,615,078 : x
  2. Step 2: Convert to fraction form
    1,621,951,000/2,512,615,078 = 2,512,615,078/x
  3. Step 3: Cross multiply
    1,621,951,000x = 2,512,615,078 × 2,512,615,078
  4. Step 4: Simplify right side
    1,621,951,000x = 6,313,234,530,192,946,176
  5. Step 5: Solve for x
    x = 6,313,234,530,192,946,176/1,621,951,000
  6. Step 6: Final answer
    x = 3,892,370,688.26

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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.