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Finding the Third Proportional to 18,161 and 28,062

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Solution

The third proportional to 18,161 and 28,062 is: 43,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161 : 28,062 = 28,062 : x
  2. Step 2: Convert to fraction form
    18,161/28,062 = 28,062/x
  3. Step 3: Cross multiply
    18,161x = 28,062 × 28,062
  4. Step 4: Simplify right side
    18,161x = 787,475,844
  5. Step 5: Solve for x
    x = 787,475,844/18,161
  6. Step 6: Final answer
    x = 43,360.82

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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.