Finding the Third Proportional to 221,266.69 and 393,427.13
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Solution
The third proportional to 221,266.69 and 393,427.13 is: 699,540.02
Step by Step Solution
- Step 1: Write the proportion equation
221,266.69 : 393,427.13 = 393,427.13 : x - Step 2: Convert to fraction form
221,266.69/393,427.13 = 393,427.13/x - Step 3: Cross multiply
221,266.69x = 393,427.13 × 393,427.13 - Step 4: Simplify right side
221,266.69x = 154,784,902,685.77 - Step 5: Solve for x
x = 154,784,902,685.77/221,266.69 - Step 6: Final answer
x = 699,540.02
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These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.