Finding the Third Proportional to 206,620.69 and 319,281.75
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Solution
The third proportional to 206,620.69 and 319,281.75 is: 493,371.87
Step by Step Solution
- Step 1: Write the proportion equation
206,620.69 : 319,281.75 = 319,281.75 : x - Step 2: Convert to fraction form
206,620.69/319,281.75 = 319,281.75/x - Step 3: Cross multiply
206,620.69x = 319,281.75 × 319,281.75 - Step 4: Simplify right side
206,620.69x = 101,940,835,883.06 - Step 5: Solve for x
x = 101,940,835,883.06/206,620.69 - Step 6: Final answer
x = 493,371.87
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.