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Finding the Third Proportional to 68,084 and 147,100

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Solution

The third proportional to 68,084 and 147,100 is: 317,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,084 : 147,100 = 147,100 : x
  2. Step 2: Convert to fraction form
    68,084/147,100 = 147,100/x
  3. Step 3: Cross multiply
    68,084x = 147,100 × 147,100
  4. Step 4: Simplify right side
    68,084x = 21,638,410,000
  5. Step 5: Solve for x
    x = 21,638,410,000/68,084
  6. Step 6: Final answer
    x = 317,819.31

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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.