Finding the Third Proportional to 761 and 875
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Solution
The third proportional to 761 and 875 is: 1,006.08
Step by Step Solution
- Step 1: Write the proportion equation
761 : 875 = 875 : x - Step 2: Convert to fraction form
761/875 = 875/x - Step 3: Cross multiply
761x = 875 × 875 - Step 4: Simplify right side
761x = 765,625 - Step 5: Solve for x
x = 765,625/761 - Step 6: Final answer
x = 1,006.08
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Why These Related Problems?
These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.