Finding the Third Proportional to 551.25 and 1,260
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Solution
The third proportional to 551.25 and 1,260 is: 2,880
Step by Step Solution
- Step 1: Write the proportion equation
551.25 : 1,260 = 1,260 : x - Step 2: Convert to fraction form
551.25/1,260 = 1,260/x - Step 3: Cross multiply
551.25x = 1,260 × 1,260 - Step 4: Simplify right side
551.25x = 1,587,600 - Step 5: Solve for x
x = 1,587,600/551.25 - Step 6: Final answer
x = 2,880
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Why These Related Problems?
These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.