Finding the Third Proportional to 72,991.13 and 167,442.19
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Solution
The third proportional to 72,991.13 and 167,442.19 is: 384,113.63
Step by Step Solution
- Step 1: Write the proportion equation
72,991.13 : 167,442.19 = 167,442.19 : x - Step 2: Convert to fraction form
72,991.13/167,442.19 = 167,442.19/x - Step 3: Cross multiply
72,991.13x = 167,442.19 × 167,442.19 - Step 4: Simplify right side
72,991.13x = 28,036,886,154.79 - Step 5: Solve for x
x = 28,036,886,154.79/72,991.13 - Step 6: Final answer
x = 384,113.63
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Why These Related Problems?
These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.