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Finding the Third Proportional to 36,094 and 78,728

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Solution

The third proportional to 36,094 and 78,728 is: 171,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,094 : 78,728 = 78,728 : x
  2. Step 2: Convert to fraction form
    36,094/78,728 = 78,728/x
  3. Step 3: Cross multiply
    36,094x = 78,728 × 78,728
  4. Step 4: Simplify right side
    36,094x = 6,198,097,984
  5. Step 5: Solve for x
    x = 6,198,097,984/36,094
  6. Step 6: Final answer
    x = 171,721.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.