Finding the Third Proportional to 81,482.81 and 176,532.19
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Solution
The third proportional to 81,482.81 and 176,532.19 is: 382,456.28
Step by Step Solution
- Step 1: Write the proportion equation
81,482.81 : 176,532.19 = 176,532.19 : x - Step 2: Convert to fraction form
81,482.81/176,532.19 = 176,532.19/x - Step 3: Cross multiply
81,482.81x = 176,532.19 × 176,532.19 - Step 4: Simplify right side
81,482.81x = 31,163,613,223.54 - Step 5: Solve for x
x = 31,163,613,223.54/81,482.81 - Step 6: Final answer
x = 382,456.28
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.