Finding the Third Proportional to 563 and 1,213
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Solution
The third proportional to 563 and 1,213 is: 2,613.44
Step by Step Solution
- Step 1: Write the proportion equation
563 : 1,213 = 1,213 : x - Step 2: Convert to fraction form
563/1,213 = 1,213/x - Step 3: Cross multiply
563x = 1,213 × 1,213 - Step 4: Simplify right side
563x = 1,471,369 - Step 5: Solve for x
x = 1,471,369/563 - Step 6: Final answer
x = 2,613.44
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.