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Finding the Third Proportional to 96,666 and 212,946

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Solution

The third proportional to 96,666 and 212,946 is: 469,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,666 : 212,946 = 212,946 : x
  2. Step 2: Convert to fraction form
    96,666/212,946 = 212,946/x
  3. Step 3: Cross multiply
    96,666x = 212,946 × 212,946
  4. Step 4: Simplify right side
    96,666x = 45,345,998,916
  5. Step 5: Solve for x
    x = 45,345,998,916/96,666
  6. Step 6: Final answer
    x = 469,099.78

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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.