Finding the Third Proportional to 199,888.88 and 431,781.75
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Solution
The third proportional to 199,888.88 and 431,781.75 is: 932,695.63
Step by Step Solution
- Step 1: Write the proportion equation
199,888.88 : 431,781.75 = 431,781.75 : x - Step 2: Convert to fraction form
199,888.88/431,781.75 = 431,781.75/x - Step 3: Cross multiply
199,888.88x = 431,781.75 × 431,781.75 - Step 4: Simplify right side
199,888.88x = 186,435,479,633.06 - Step 5: Solve for x
x = 186,435,479,633.06/199,888.88 - Step 6: Final answer
x = 932,695.63
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.