Finding the Third Proportional to 74,287.13 and 154,729.13
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Solution
The third proportional to 74,287.13 and 154,729.13 is: 322,277.95
Step by Step Solution
- Step 1: Write the proportion equation
74,287.13 : 154,729.13 = 154,729.13 : x - Step 2: Convert to fraction form
74,287.13/154,729.13 = 154,729.13/x - Step 3: Cross multiply
74,287.13x = 154,729.13 × 154,729.13 - Step 4: Simplify right side
74,287.13x = 23,941,102,123.27 - Step 5: Solve for x
x = 23,941,102,123.27/74,287.13 - Step 6: Final answer
x = 322,277.95
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.