Finding the Third Proportional to 74,940.19 and 159,585.19
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Solution
The third proportional to 74,940.19 and 159,585.19 is: 339,836.78
Step by Step Solution
- Step 1: Write the proportion equation
74,940.19 : 159,585.19 = 159,585.19 : x - Step 2: Convert to fraction form
74,940.19/159,585.19 = 159,585.19/x - Step 3: Cross multiply
74,940.19x = 159,585.19 × 159,585.19 - Step 4: Simplify right side
74,940.19x = 25,467,432,069.41 - Step 5: Solve for x
x = 25,467,432,069.41/74,940.19 - Step 6: Final answer
x = 339,836.78
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.