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Finding the Third Proportional to 29,211 and 66,936

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Solution

The third proportional to 29,211 and 66,936 is: 153,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,211 : 66,936 = 66,936 : x
  2. Step 2: Convert to fraction form
    29,211/66,936 = 66,936/x
  3. Step 3: Cross multiply
    29,211x = 66,936 × 66,936
  4. Step 4: Simplify right side
    29,211x = 4,480,428,096
  5. Step 5: Solve for x
    x = 4,480,428,096/29,211
  6. Step 6: Final answer
    x = 153,381.54

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.