Finding the Third Proportional to 221,436 and 324,772
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Solution
The third proportional to 221,436 and 324,772 is: 476,331.09
Step by Step Solution
- Step 1: Write the proportion equation
221,436 : 324,772 = 324,772 : x - Step 2: Convert to fraction form
221,436/324,772 = 324,772/x - Step 3: Cross multiply
221,436x = 324,772 × 324,772 - Step 4: Simplify right side
221,436x = 105,476,851,984 - Step 5: Solve for x
x = 105,476,851,984/221,436 - Step 6: Final answer
x = 476,331.09
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.