Finding the Third Proportional to 19,946 and 30,881
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Solution
The third proportional to 19,946 and 30,881 is: 47,810.90
Step by Step Solution
- Step 1: Write the proportion equation
19,946 : 30,881 = 30,881 : x - Step 2: Convert to fraction form
19,946/30,881 = 30,881/x - Step 3: Cross multiply
19,946x = 30,881 × 30,881 - Step 4: Simplify right side
19,946x = 953,636,161 - Step 5: Solve for x
x = 953,636,161/19,946 - Step 6: Final answer
x = 47,810.90
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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.