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Finding the Third Proportional to 9,080 and 18,992

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Solution

The third proportional to 9,080 and 18,992 is: 39,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080 : 18,992 = 18,992 : x
  2. Step 2: Convert to fraction form
    9,080/18,992 = 18,992/x
  3. Step 3: Cross multiply
    9,080x = 18,992 × 18,992
  4. Step 4: Simplify right side
    9,080x = 360,696,064
  5. Step 5: Solve for x
    x = 360,696,064/9,080
  6. Step 6: Final answer
    x = 39,724.24

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.