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Finding the Third Proportional to 210,962 and 454,909

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Solution

The third proportional to 210,962 and 454,909 is: 980,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,962 : 454,909 = 454,909 : x
  2. Step 2: Convert to fraction form
    210,962/454,909 = 454,909/x
  3. Step 3: Cross multiply
    210,962x = 454,909 × 454,909
  4. Step 4: Simplify right side
    210,962x = 206,942,198,281
  5. Step 5: Solve for x
    x = 206,942,198,281/210,962
  6. Step 6: Final answer
    x = 980,945.38

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