Finding the Third Proportional to 77,608.13 and 171,573.19
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Solution
The third proportional to 77,608.13 and 171,573.19 is: 379,307.69
Step by Step Solution
- Step 1: Write the proportion equation
77,608.13 : 171,573.19 = 171,573.19 : x - Step 2: Convert to fraction form
77,608.13/171,573.19 = 171,573.19/x - Step 3: Cross multiply
77,608.13x = 171,573.19 × 171,573.19 - Step 4: Simplify right side
77,608.13x = 29,437,358,668.91 - Step 5: Solve for x
x = 29,437,358,668.91/77,608.13 - Step 6: Final answer
x = 379,307.69
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Why These Related Problems?
These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.