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Finding the Third Proportional to 203,667 and 447,492

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Solution

The third proportional to 203,667 and 447,492 is: 983,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,667 : 447,492 = 447,492 : x
  2. Step 2: Convert to fraction form
    203,667/447,492 = 447,492/x
  3. Step 3: Cross multiply
    203,667x = 447,492 × 447,492
  4. Step 4: Simplify right side
    203,667x = 200,249,090,064
  5. Step 5: Solve for x
    x = 200,249,090,064/203,667
  6. Step 6: Final answer
    x = 983,218.15

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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.