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Finding the Third Proportional to 18,608 and 40,504

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Solution

The third proportional to 18,608 and 40,504 is: 88,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608 : 40,504 = 40,504 : x
  2. Step 2: Convert to fraction form
    18,608/40,504 = 40,504/x
  3. Step 3: Cross multiply
    18,608x = 40,504 × 40,504
  4. Step 4: Simplify right side
    18,608x = 1,640,574,016
  5. Step 5: Solve for x
    x = 1,640,574,016/18,608
  6. Step 6: Final answer
    x = 88,164.98

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.