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Finding the Third Proportional to 36,155 and 54,040

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Solution

The third proportional to 36,155 and 54,040 is: 80,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,155 : 54,040 = 54,040 : x
  2. Step 2: Convert to fraction form
    36,155/54,040 = 54,040/x
  3. Step 3: Cross multiply
    36,155x = 54,040 × 54,040
  4. Step 4: Simplify right side
    36,155x = 2,920,321,600
  5. Step 5: Solve for x
    x = 2,920,321,600/36,155
  6. Step 6: Final answer
    x = 80,772.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.