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Finding the Third Proportional to 18,036 and 25,314

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Solution

The third proportional to 18,036 and 25,314 is: 35,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036 : 25,314 = 25,314 : x
  2. Step 2: Convert to fraction form
    18,036/25,314 = 25,314/x
  3. Step 3: Cross multiply
    18,036x = 25,314 × 25,314
  4. Step 4: Simplify right side
    18,036x = 640,798,596
  5. Step 5: Solve for x
    x = 640,798,596/18,036
  6. Step 6: Final answer
    x = 35,528.86

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.