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Finding the Third Proportional to 51,325 and 75,211

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Solution

The third proportional to 51,325 and 75,211 is: 110,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,325 : 75,211 = 75,211 : x
  2. Step 2: Convert to fraction form
    51,325/75,211 = 75,211/x
  3. Step 3: Cross multiply
    51,325x = 75,211 × 75,211
  4. Step 4: Simplify right side
    51,325x = 5,656,694,521
  5. Step 5: Solve for x
    x = 5,656,694,521/51,325
  6. Step 6: Final answer
    x = 110,213.24

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.