Finding the Third Proportional to 19,920 and 29,304
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Solution
The third proportional to 19,920 and 29,304 is: 43,108.66
Step by Step Solution
- Step 1: Write the proportion equation
19,920 : 29,304 = 29,304 : x - Step 2: Convert to fraction form
19,920/29,304 = 29,304/x - Step 3: Cross multiply
19,920x = 29,304 × 29,304 - Step 4: Simplify right side
19,920x = 858,724,416 - Step 5: Solve for x
x = 858,724,416/19,920 - Step 6: Final answer
x = 43,108.66
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.