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Finding the Third Proportional to 18,348 and 25,530

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Solution

The third proportional to 18,348 and 25,530 is: 35,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348 : 25,530 = 25,530 : x
  2. Step 2: Convert to fraction form
    18,348/25,530 = 25,530/x
  3. Step 3: Cross multiply
    18,348x = 25,530 × 25,530
  4. Step 4: Simplify right side
    18,348x = 651,780,900
  5. Step 5: Solve for x
    x = 651,780,900/18,348
  6. Step 6: Final answer
    x = 35,523.27

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.