Finding the Third Proportional to 312,504.75 and 442,482.75
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Solution
The third proportional to 312,504.75 and 442,482.75 is: 626,521.63
Step by Step Solution
- Step 1: Write the proportion equation
312,504.75 : 442,482.75 = 442,482.75 : x - Step 2: Convert to fraction form
312,504.75/442,482.75 = 442,482.75/x - Step 3: Cross multiply
312,504.75x = 442,482.75 × 442,482.75 - Step 4: Simplify right side
312,504.75x = 195,790,984,047.56 - Step 5: Solve for x
x = 195,790,984,047.56/312,504.75 - Step 6: Final answer
x = 626,521.63
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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.