Finding the Third Proportional to 179,990.63 and 386,691.75
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Solution
The third proportional to 179,990.63 and 386,691.75 is: 830,768.32
Step by Step Solution
- Step 1: Write the proportion equation
179,990.63 : 386,691.75 = 386,691.75 : x - Step 2: Convert to fraction form
179,990.63/386,691.75 = 386,691.75/x - Step 3: Cross multiply
179,990.63x = 386,691.75 × 386,691.75 - Step 4: Simplify right side
179,990.63x = 149,530,509,518.06 - Step 5: Solve for x
x = 149,530,509,518.06/179,990.63 - Step 6: Final answer
x = 830,768.32
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.