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Finding the Third Proportional to 36,128 and 76,192

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Solution

The third proportional to 36,128 and 76,192 is: 160,684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,128 : 76,192 = 76,192 : x
  2. Step 2: Convert to fraction form
    36,128/76,192 = 76,192/x
  3. Step 3: Cross multiply
    36,128x = 76,192 × 76,192
  4. Step 4: Simplify right side
    36,128x = 5,805,220,864
  5. Step 5: Solve for x
    x = 5,805,220,864/36,128
  6. Step 6: Final answer
    x = 160,684.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.