Finding the Third Proportional to 81,708.75 and 176,326.88
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Solution
The third proportional to 81,708.75 and 176,326.88 is: 380,512.09
Step by Step Solution
- Step 1: Write the proportion equation
81,708.75 : 176,326.88 = 176,326.88 : x - Step 2: Convert to fraction form
81,708.75/176,326.88 = 176,326.88/x - Step 3: Cross multiply
81,708.75x = 176,326.88 × 176,326.88 - Step 4: Simplify right side
81,708.75x = 31,091,166,847.27 - Step 5: Solve for x
x = 31,091,166,847.27/81,708.75 - Step 6: Final answer
x = 380,512.09
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.