Finding the Third Proportional to 47,280 and 96,720
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Solution
The third proportional to 47,280 and 96,720 is: 197,858.68
Step by Step Solution
- Step 1: Write the proportion equation
47,280 : 96,720 = 96,720 : x - Step 2: Convert to fraction form
47,280/96,720 = 96,720/x - Step 3: Cross multiply
47,280x = 96,720 × 96,720 - Step 4: Simplify right side
47,280x = 9,354,758,400 - Step 5: Solve for x
x = 9,354,758,400/47,280 - Step 6: Final answer
x = 197,858.68
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.