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Finding the Third Proportional to 36,777 and 79,385

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Solution

The third proportional to 36,777 and 79,385 is: 171,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,777 : 79,385 = 79,385 : x
  2. Step 2: Convert to fraction form
    36,777/79,385 = 79,385/x
  3. Step 3: Cross multiply
    36,777x = 79,385 × 79,385
  4. Step 4: Simplify right side
    36,777x = 6,301,978,225
  5. Step 5: Solve for x
    x = 6,301,978,225/36,777
  6. Step 6: Final answer
    x = 171,356.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.