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Finding the Third Proportional to 194,818 and 419,984

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Solution

The third proportional to 194,818 and 419,984 is: 905,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,818 : 419,984 = 419,984 : x
  2. Step 2: Convert to fraction form
    194,818/419,984 = 419,984/x
  3. Step 3: Cross multiply
    194,818x = 419,984 × 419,984
  4. Step 4: Simplify right side
    194,818x = 176,386,560,256
  5. Step 5: Solve for x
    x = 176,386,560,256/194,818
  6. Step 6: Final answer
    x = 905,391.49

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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.