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Finding the Third Proportional to 194,512 and 402,512

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Solution

The third proportional to 194,512 and 402,512 is: 832,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,512 : 402,512 = 402,512 : x
  2. Step 2: Convert to fraction form
    194,512/402,512 = 402,512/x
  3. Step 3: Cross multiply
    194,512x = 402,512 × 402,512
  4. Step 4: Simplify right side
    194,512x = 162,015,910,144
  5. Step 5: Solve for x
    x = 162,015,910,144/194,512
  6. Step 6: Final answer
    x = 832,935.30

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.