Finding the Third Proportional to 209,728.69 and 328,089.19
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Solution
The third proportional to 209,728.69 and 328,089.19 is: 513,246.50
Step by Step Solution
- Step 1: Write the proportion equation
209,728.69 : 328,089.19 = 328,089.19 : x - Step 2: Convert to fraction form
209,728.69/328,089.19 = 328,089.19/x - Step 3: Cross multiply
209,728.69x = 328,089.19 × 328,089.19 - Step 4: Simplify right side
209,728.69x = 107,642,514,954.41 - Step 5: Solve for x
x = 107,642,514,954.41/209,728.69 - Step 6: Final answer
x = 513,246.50
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.