Finding the Third Proportional to 316,249.50 and 489,152.44
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Solution
The third proportional to 316,249.50 and 489,152.44 is: 756,586.52
Step by Step Solution
- Step 1: Write the proportion equation
316,249.50 : 489,152.44 = 489,152.44 : x - Step 2: Convert to fraction form
316,249.50/489,152.44 = 489,152.44/x - Step 3: Cross multiply
316,249.50x = 489,152.44 × 489,152.44 - Step 4: Simplify right side
316,249.50x = 239,270,107,112.19 - Step 5: Solve for x
x = 239,270,107,112.19/316,249.50 - Step 6: Final answer
x = 756,586.52
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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.