Finding the Third Proportional to 29,920 and 46,460
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Solution
The third proportional to 29,920 and 46,460 is: 72,143.44
Step by Step Solution
- Step 1: Write the proportion equation
29,920 : 46,460 = 46,460 : x - Step 2: Convert to fraction form
29,920/46,460 = 46,460/x - Step 3: Cross multiply
29,920x = 46,460 × 46,460 - Step 4: Simplify right side
29,920x = 2,158,531,600 - Step 5: Solve for x
x = 2,158,531,600/29,920 - Step 6: Final answer
x = 72,143.44
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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.