Finding the Third Proportional to 74,472.75 and 141,405.75
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Solution
The third proportional to 74,472.75 and 141,405.75 is: 268,495.34
Step by Step Solution
- Step 1: Write the proportion equation
74,472.75 : 141,405.75 = 141,405.75 : x - Step 2: Convert to fraction form
74,472.75/141,405.75 = 141,405.75/x - Step 3: Cross multiply
74,472.75x = 141,405.75 × 141,405.75 - Step 4: Simplify right side
74,472.75x = 19,995,586,133.06 - Step 5: Solve for x
x = 19,995,586,133.06/74,472.75 - Step 6: Final answer
x = 268,495.34
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These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.