Finding the Third Proportional to 19,446 and 38,892
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Solution
The third proportional to 19,446 and 38,892 is: 77,784
Step by Step Solution
- Step 1: Write the proportion equation
19,446 : 38,892 = 38,892 : x - Step 2: Convert to fraction form
19,446/38,892 = 38,892/x - Step 3: Cross multiply
19,446x = 38,892 × 38,892 - Step 4: Simplify right side
19,446x = 1,512,587,664 - Step 5: Solve for x
x = 1,512,587,664/19,446 - Step 6: Final answer
x = 77,784
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Why These Related Problems?
These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.