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Finding the Third Proportional to 18,264 and 28,168

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Solution

The third proportional to 18,264 and 28,168 is: 43,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264 : 28,168 = 28,168 : x
  2. Step 2: Convert to fraction form
    18,264/28,168 = 28,168/x
  3. Step 3: Cross multiply
    18,264x = 28,168 × 28,168
  4. Step 4: Simplify right side
    18,264x = 793,436,224
  5. Step 5: Solve for x
    x = 793,436,224/18,264
  6. Step 6: Final answer
    x = 43,442.63

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.