Finding the Third Proportional to 154,315.75 and 315,781.88
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Solution
The third proportional to 154,315.75 and 315,781.88 is: 646,195.82
Step by Step Solution
- Step 1: Write the proportion equation
154,315.75 : 315,781.88 = 315,781.88 : x - Step 2: Convert to fraction form
154,315.75/315,781.88 = 315,781.88/x - Step 3: Cross multiply
154,315.75x = 315,781.88 × 315,781.88 - Step 4: Simplify right side
154,315.75x = 99,718,192,578.52 - Step 5: Solve for x
x = 99,718,192,578.52/154,315.75 - Step 6: Final answer
x = 646,195.82
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.