Finding the Third Proportional to 750 and 900
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Solution
The third proportional to 750 and 900 is: 1,080
Step by Step Solution
- Step 1: Write the proportion equation
750 : 900 = 900 : x - Step 2: Convert to fraction form
750/900 = 900/x - Step 3: Cross multiply
750x = 900 × 900 - Step 4: Simplify right side
750x = 810,000 - Step 5: Solve for x
x = 810,000/750 - Step 6: Final answer
x = 1,080
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These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.