Finding the Third Proportional to 191,970 and 418,878
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Solution
The third proportional to 191,970 and 418,878 is: 913,990.62
Step by Step Solution
- Step 1: Write the proportion equation
191,970 : 418,878 = 418,878 : x - Step 2: Convert to fraction form
191,970/418,878 = 418,878/x - Step 3: Cross multiply
191,970x = 418,878 × 418,878 - Step 4: Simplify right side
191,970x = 175,458,778,884 - Step 5: Solve for x
x = 175,458,778,884/191,970 - Step 6: Final answer
x = 913,990.62
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.