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Finding the Third Proportional to 216,246,556 and 447,823,172

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Solution

The third proportional to 216,246,556 and 447,823,172 is: 927,393,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,246,556 : 447,823,172 = 447,823,172 : x
  2. Step 2: Convert to fraction form
    216,246,556/447,823,172 = 447,823,172/x
  3. Step 3: Cross multiply
    216,246,556x = 447,823,172 × 447,823,172
  4. Step 4: Simplify right side
    216,246,556x = 200,545,593,380,141,568
  5. Step 5: Solve for x
    x = 200,545,593,380,141,568/216,246,556
  6. Step 6: Final answer
    x = 927,393,236.17

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.