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Finding the Third Proportional to 68,343.75 and 104,976

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Solution

The third proportional to 68,343.75 and 104,976 is: 161,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,343.75 : 104,976 = 104,976 : x
  2. Step 2: Convert to fraction form
    68,343.75/104,976 = 104,976/x
  3. Step 3: Cross multiply
    68,343.75x = 104,976 × 104,976
  4. Step 4: Simplify right side
    68,343.75x = 11,019,960,576
  5. Step 5: Solve for x
    x = 11,019,960,576/68,343.75
  6. Step 6: Final answer
    x = 161,243.14

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.