Finding the Third Proportional to 17,080 and 18,700
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Solution
The third proportional to 17,080 and 18,700 is: 20,473.65
Step by Step Solution
- Step 1: Write the proportion equation
17,080 : 18,700 = 18,700 : x - Step 2: Convert to fraction form
17,080/18,700 = 18,700/x - Step 3: Cross multiply
17,080x = 18,700 × 18,700 - Step 4: Simplify right side
17,080x = 349,690,000 - Step 5: Solve for x
x = 349,690,000/17,080 - Step 6: Final answer
x = 20,473.65
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These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.