Finding the Third Proportional to 393,963.75 and 557,502.75
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Solution
The third proportional to 393,963.75 and 557,502.75 is: 788,928.72
Step by Step Solution
- Step 1: Write the proportion equation
393,963.75 : 557,502.75 = 557,502.75 : x - Step 2: Convert to fraction form
393,963.75/557,502.75 = 557,502.75/x - Step 3: Cross multiply
393,963.75x = 557,502.75 × 557,502.75 - Step 4: Simplify right side
393,963.75x = 310,809,316,257.56 - Step 5: Solve for x
x = 310,809,316,257.56/393,963.75 - Step 6: Final answer
x = 788,928.72
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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.