Finding the Third Proportional to 392,344.75 and 555,320.75
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Solution
The third proportional to 392,344.75 and 555,320.75 is: 785,995.32
Step by Step Solution
- Step 1: Write the proportion equation
392,344.75 : 555,320.75 = 555,320.75 : x - Step 2: Convert to fraction form
392,344.75/555,320.75 = 555,320.75/x - Step 3: Cross multiply
392,344.75x = 555,320.75 × 555,320.75 - Step 4: Simplify right side
392,344.75x = 308,381,135,380.56 - Step 5: Solve for x
x = 308,381,135,380.56/392,344.75 - Step 6: Final answer
x = 785,995.32
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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.