Finding the Third Proportional to 207,208.13 and 319,965.19
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Solution
The third proportional to 207,208.13 and 319,965.19 is: 494,081.60
Step by Step Solution
- Step 1: Write the proportion equation
207,208.13 : 319,965.19 = 319,965.19 : x - Step 2: Convert to fraction form
207,208.13/319,965.19 = 319,965.19/x - Step 3: Cross multiply
207,208.13x = 319,965.19 × 319,965.19 - Step 4: Simplify right side
207,208.13x = 102,377,721,211.91 - Step 5: Solve for x
x = 102,377,721,211.91/207,208.13 - Step 6: Final answer
x = 494,081.60
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.