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Finding the Third Proportional to 203,778,358.50 and 447,589,560

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Solution

The third proportional to 203,778,358.50 and 447,589,560 is: 983,109,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,778,358.50 : 447,589,560 = 447,589,560 : x
  2. Step 2: Convert to fraction form
    203,778,358.50/447,589,560 = 447,589,560/x
  3. Step 3: Cross multiply
    203,778,358.50x = 447,589,560 × 447,589,560
  4. Step 4: Simplify right side
    203,778,358.50x = 200,336,414,220,993,600
  5. Step 5: Solve for x
    x = 200,336,414,220,993,600/203,778,358.50
  6. Step 6: Final answer
    x = 983,109,372.83

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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.