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Finding the Third Proportional to 18,053 and 27,080

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Solution

The third proportional to 18,053 and 27,080 is: 40,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053 : 27,080 = 27,080 : x
  2. Step 2: Convert to fraction form
    18,053/27,080 = 27,080/x
  3. Step 3: Cross multiply
    18,053x = 27,080 × 27,080
  4. Step 4: Simplify right side
    18,053x = 733,326,400
  5. Step 5: Solve for x
    x = 733,326,400/18,053
  6. Step 6: Final answer
    x = 40,620.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.