Finding the Third Proportional to 257,853.38 and 394,191.56
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Solution
The third proportional to 257,853.38 and 394,191.56 is: 602,617.62
Step by Step Solution
- Step 1: Write the proportion equation
257,853.38 : 394,191.56 = 394,191.56 : x - Step 2: Convert to fraction form
257,853.38/394,191.56 = 394,191.56/x - Step 3: Cross multiply
257,853.38x = 394,191.56 × 394,191.56 - Step 4: Simplify right side
257,853.38x = 155,386,987,946.19 - Step 5: Solve for x
x = 155,386,987,946.19/257,853.38 - Step 6: Final answer
x = 602,617.62
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.