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Finding the Third Proportional to 206,984 and 447,184

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Solution

The third proportional to 206,984 and 447,184 is: 966,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,984 : 447,184 = 447,184 : x
  2. Step 2: Convert to fraction form
    206,984/447,184 = 447,184/x
  3. Step 3: Cross multiply
    206,984x = 447,184 × 447,184
  4. Step 4: Simplify right side
    206,984x = 199,973,529,856
  5. Step 5: Solve for x
    x = 199,973,529,856/206,984
  6. Step 6: Final answer
    x = 966,130.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.