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Finding the Third Proportional to 211,968 and 449,208

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Solution

The third proportional to 211,968 and 449,208 is: 951,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,968 : 449,208 = 449,208 : x
  2. Step 2: Convert to fraction form
    211,968/449,208 = 449,208/x
  3. Step 3: Cross multiply
    211,968x = 449,208 × 449,208
  4. Step 4: Simplify right side
    211,968x = 201,787,827,264
  5. Step 5: Solve for x
    x = 201,787,827,264/211,968
  6. Step 6: Final answer
    x = 951,973.07

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.