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Finding the Third Proportional to 36,179 and 55,909

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Solution

The third proportional to 36,179 and 55,909 is: 86,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,179 : 55,909 = 55,909 : x
  2. Step 2: Convert to fraction form
    36,179/55,909 = 55,909/x
  3. Step 3: Cross multiply
    36,179x = 55,909 × 55,909
  4. Step 4: Simplify right side
    36,179x = 3,125,816,281
  5. Step 5: Solve for x
    x = 3,125,816,281/36,179
  6. Step 6: Final answer
    x = 86,398.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.