Finding the Third Proportional to 261,920.25 and 387,969.75
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Solution
The third proportional to 261,920.25 and 387,969.75 is: 574,680.75
Step by Step Solution
- Step 1: Write the proportion equation
261,920.25 : 387,969.75 = 387,969.75 : x - Step 2: Convert to fraction form
261,920.25/387,969.75 = 387,969.75/x - Step 3: Cross multiply
261,920.25x = 387,969.75 × 387,969.75 - Step 4: Simplify right side
261,920.25x = 150,520,526,915.06 - Step 5: Solve for x
x = 150,520,526,915.06/261,920.25 - Step 6: Final answer
x = 574,680.75
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These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.