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Finding the Third Proportional to 57,938 and 77,601

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Solution

The third proportional to 57,938 and 77,601 is: 103,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,938 : 77,601 = 77,601 : x
  2. Step 2: Convert to fraction form
    57,938/77,601 = 77,601/x
  3. Step 3: Cross multiply
    57,938x = 77,601 × 77,601
  4. Step 4: Simplify right side
    57,938x = 6,021,915,201
  5. Step 5: Solve for x
    x = 6,021,915,201/57,938
  6. Step 6: Final answer
    x = 103,937.23

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.