Finding the Third Proportional to 287,880.75 and 338,775.75
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Solution
The third proportional to 287,880.75 and 338,775.75 is: 398,668.58
Step by Step Solution
- Step 1: Write the proportion equation
287,880.75 : 338,775.75 = 338,775.75 : x - Step 2: Convert to fraction form
287,880.75/338,775.75 = 338,775.75/x - Step 3: Cross multiply
287,880.75x = 338,775.75 × 338,775.75 - Step 4: Simplify right side
287,880.75x = 114,769,008,788.06 - Step 5: Solve for x
x = 114,769,008,788.06/287,880.75 - Step 6: Final answer
x = 398,668.58
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These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.