Finding the Third Proportional to 315,292.50 and 489,523.50
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Solution
The third proportional to 315,292.50 and 489,523.50 is: 760,034.75
Step by Step Solution
- Step 1: Write the proportion equation
315,292.50 : 489,523.50 = 489,523.50 : x - Step 2: Convert to fraction form
315,292.50/489,523.50 = 489,523.50/x - Step 3: Cross multiply
315,292.50x = 489,523.50 × 489,523.50 - Step 4: Simplify right side
315,292.50x = 239,633,257,052.25 - Step 5: Solve for x
x = 239,633,257,052.25/315,292.50 - Step 6: Final answer
x = 760,034.75
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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.