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Finding the Third Proportional to 203,778,354 and 447,589,546

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Solution

The third proportional to 203,778,354 and 447,589,546 is: 983,109,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,778,354 : 447,589,546 = 447,589,546 : x
  2. Step 2: Convert to fraction form
    203,778,354/447,589,546 = 447,589,546/x
  3. Step 3: Cross multiply
    203,778,354x = 447,589,546 × 447,589,546
  4. Step 4: Simplify right side
    203,778,354x = 200,336,401,688,486,112
  5. Step 5: Solve for x
    x = 200,336,401,688,486,112/203,778,354
  6. Step 6: Final answer
    x = 983,109,333.04

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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.