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Finding the Third Proportional to 3,276,555,431 and 7,220,977,199

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Solution

The third proportional to 3,276,555,431 and 7,220,977,199 is: 15,913,819,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276,555,431 : 7,220,977,199 = 7,220,977,199 : x
  2. Step 2: Convert to fraction form
    3,276,555,431/7,220,977,199 = 7,220,977,199/x
  3. Step 3: Cross multiply
    3,276,555,431x = 7,220,977,199 × 7,220,977,199
  4. Step 4: Simplify right side
    3,276,555,431x = 52,142,511,708,477,882,368
  5. Step 5: Solve for x
    x = 52,142,511,708,477,882,368/3,276,555,431
  6. Step 6: Final answer
    x = 15,913,819,499.33

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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.