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Finding the Third Proportional to 55,880 and 75,936

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Solution

The third proportional to 55,880 and 75,936 is: 103,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,880 : 75,936 = 75,936 : x
  2. Step 2: Convert to fraction form
    55,880/75,936 = 75,936/x
  3. Step 3: Cross multiply
    55,880x = 75,936 × 75,936
  4. Step 4: Simplify right side
    55,880x = 5,766,276,096
  5. Step 5: Solve for x
    x = 5,766,276,096/55,880
  6. Step 6: Final answer
    x = 103,190.34

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.