Finding the Third Proportional to 255,772.69 and 397,153.13
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Solution
The third proportional to 255,772.69 and 397,153.13 is: 616,682.75
Step by Step Solution
- Step 1: Write the proportion equation
255,772.69 : 397,153.13 = 397,153.13 : x - Step 2: Convert to fraction form
255,772.69/397,153.13 = 397,153.13/x - Step 3: Cross multiply
255,772.69x = 397,153.13 × 397,153.13 - Step 4: Simplify right side
255,772.69x = 157,730,604,697.27 - Step 5: Solve for x
x = 157,730,604,697.27/255,772.69 - Step 6: Final answer
x = 616,682.75
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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.