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Finding the Third Proportional to 18,190 and 28,054

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Solution

The third proportional to 18,190 and 28,054 is: 43,267.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190 : 28,054 = 28,054 : x
  2. Step 2: Convert to fraction form
    18,190/28,054 = 28,054/x
  3. Step 3: Cross multiply
    18,190x = 28,054 × 28,054
  4. Step 4: Simplify right side
    18,190x = 787,026,916
  5. Step 5: Solve for x
    x = 787,026,916/18,190
  6. Step 6: Final answer
    x = 43,267.01

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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.