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Finding the Third Proportional to 197,289,552 and 275,822,406

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Solution

The third proportional to 197,289,552 and 275,822,406 is: 385,615,958.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,289,552 : 275,822,406 = 275,822,406 : x
  2. Step 2: Convert to fraction form
    197,289,552/275,822,406 = 275,822,406/x
  3. Step 3: Cross multiply
    197,289,552x = 275,822,406 × 275,822,406
  4. Step 4: Simplify right side
    197,289,552x = 76,077,999,651,628,832
  5. Step 5: Solve for x
    x = 76,077,999,651,628,832/197,289,552
  6. Step 6: Final answer
    x = 385,615,958.27

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.