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Finding the Third Proportional to 39,392 and 57,936

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Solution

The third proportional to 39,392 and 57,936 is: 85,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,392 : 57,936 = 57,936 : x
  2. Step 2: Convert to fraction form
    39,392/57,936 = 57,936/x
  3. Step 3: Cross multiply
    39,392x = 57,936 × 57,936
  4. Step 4: Simplify right side
    39,392x = 3,356,580,096
  5. Step 5: Solve for x
    x = 3,356,580,096/39,392
  6. Step 6: Final answer
    x = 85,209.69

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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.