Finding the Third Proportional to 17,178 and 18,834
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Solution
The third proportional to 17,178 and 18,834 is: 20,649.64
Step by Step Solution
- Step 1: Write the proportion equation
17,178 : 18,834 = 18,834 : x - Step 2: Convert to fraction form
17,178/18,834 = 18,834/x - Step 3: Cross multiply
17,178x = 18,834 × 18,834 - Step 4: Simplify right side
17,178x = 354,719,556 - Step 5: Solve for x
x = 354,719,556/17,178 - Step 6: Final answer
x = 20,649.64
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These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.