Finding the Third Proportional to 131,775.75 and 287,403.75
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Solution
The third proportional to 131,775.75 and 287,403.75 is: 626,829.41
Step by Step Solution
- Step 1: Write the proportion equation
131,775.75 : 287,403.75 = 287,403.75 : x - Step 2: Convert to fraction form
131,775.75/287,403.75 = 287,403.75/x - Step 3: Cross multiply
131,775.75x = 287,403.75 × 287,403.75 - Step 4: Simplify right side
131,775.75x = 82,600,915,514.06 - Step 5: Solve for x
x = 82,600,915,514.06/131,775.75 - Step 6: Final answer
x = 626,829.41
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.