Finding the Third Proportional to 19,969 and 30,986
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Solution
The third proportional to 19,969 and 30,986 is: 48,081.14
Step by Step Solution
- Step 1: Write the proportion equation
19,969 : 30,986 = 30,986 : x - Step 2: Convert to fraction form
19,969/30,986 = 30,986/x - Step 3: Cross multiply
19,969x = 30,986 × 30,986 - Step 4: Simplify right side
19,969x = 960,132,196 - Step 5: Solve for x
x = 960,132,196/19,969 - Step 6: Final answer
x = 48,081.14
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.