Finding the Third Proportional to 77,743.97 and 163,321.31
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Solution
The third proportional to 77,743.97 and 163,321.31 is: 343,098.66
Step by Step Solution
- Step 1: Write the proportion equation
77,743.97 : 163,321.31 = 163,321.31 : x - Step 2: Convert to fraction form
77,743.97/163,321.31 = 163,321.31/x - Step 3: Cross multiply
77,743.97x = 163,321.31 × 163,321.31 - Step 4: Simplify right side
77,743.97x = 26,673,851,116.72 - Step 5: Solve for x
x = 26,673,851,116.72/77,743.97 - Step 6: Final answer
x = 343,098.66
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.