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Finding the Third Proportional to 36,240 and 79,608

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Solution

The third proportional to 36,240 and 79,608 is: 174,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,240 : 79,608 = 79,608 : x
  2. Step 2: Convert to fraction form
    36,240/79,608 = 79,608/x
  3. Step 3: Cross multiply
    36,240x = 79,608 × 79,608
  4. Step 4: Simplify right side
    36,240x = 6,337,433,664
  5. Step 5: Solve for x
    x = 6,337,433,664/36,240
  6. Step 6: Final answer
    x = 174,874.00

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.