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Finding the Third Proportional to 57,696 and 127,916

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Solution

The third proportional to 57,696 and 127,916 is: 283,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,696 : 127,916 = 127,916 : x
  2. Step 2: Convert to fraction form
    57,696/127,916 = 127,916/x
  3. Step 3: Cross multiply
    57,696x = 127,916 × 127,916
  4. Step 4: Simplify right side
    57,696x = 16,362,503,056
  5. Step 5: Solve for x
    x = 16,362,503,056/57,696
  6. Step 6: Final answer
    x = 283,598.57

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.