Finding the Third Proportional to 263,211.75 and 393,063.75
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Solution
The third proportional to 263,211.75 and 393,063.75 is: 586,976.50
Step by Step Solution
- Step 1: Write the proportion equation
263,211.75 : 393,063.75 = 393,063.75 : x - Step 2: Convert to fraction form
263,211.75/393,063.75 = 393,063.75/x - Step 3: Cross multiply
263,211.75x = 393,063.75 × 393,063.75 - Step 4: Simplify right side
263,211.75x = 154,499,111,564.06 - Step 5: Solve for x
x = 154,499,111,564.06/263,211.75 - Step 6: Final answer
x = 586,976.50
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.