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Finding the Third Proportional to 2,771,969,818 and 4,227,772,812

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Solution

The third proportional to 2,771,969,818 and 4,227,772,812 is: 6,448,144,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771,969,818 : 4,227,772,812 = 4,227,772,812 : x
  2. Step 2: Convert to fraction form
    2,771,969,818/4,227,772,812 = 4,227,772,812/x
  3. Step 3: Cross multiply
    2,771,969,818x = 4,227,772,812 × 4,227,772,812
  4. Step 4: Simplify right side
    2,771,969,818x = 17,874,062,949,886,388,224
  5. Step 5: Solve for x
    x = 17,874,062,949,886,388,224/2,771,969,818
  6. Step 6: Final answer
    x = 6,448,144,865.73

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.