Finding the Third Proportional to 193,218.75 and 415,005.75
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Solution
The third proportional to 193,218.75 and 415,005.75 is: 891,371.94
Step by Step Solution
- Step 1: Write the proportion equation
193,218.75 : 415,005.75 = 415,005.75 : x - Step 2: Convert to fraction form
193,218.75/415,005.75 = 415,005.75/x - Step 3: Cross multiply
193,218.75x = 415,005.75 × 415,005.75 - Step 4: Simplify right side
193,218.75x = 172,229,772,533.06 - Step 5: Solve for x
x = 172,229,772,533.06/193,218.75 - Step 6: Final answer
x = 891,371.94
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.