Finding the Third Proportional to 72,208.50 and 163,992.75
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Solution
The third proportional to 72,208.50 and 163,992.75 is: 372,443.99
Step by Step Solution
- Step 1: Write the proportion equation
72,208.50 : 163,992.75 = 163,992.75 : x - Step 2: Convert to fraction form
72,208.50/163,992.75 = 163,992.75/x - Step 3: Cross multiply
72,208.50x = 163,992.75 × 163,992.75 - Step 4: Simplify right side
72,208.50x = 26,893,622,052.56 - Step 5: Solve for x
x = 26,893,622,052.56/72,208.50 - Step 6: Final answer
x = 372,443.99
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Why These Related Problems?
These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.