Finding the Third Proportional to 742 and 1,484
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Solution
The third proportional to 742 and 1,484 is: 2,968
Step by Step Solution
- Step 1: Write the proportion equation
742 : 1,484 = 1,484 : x - Step 2: Convert to fraction form
742/1,484 = 1,484/x - Step 3: Cross multiply
742x = 1,484 × 1,484 - Step 4: Simplify right side
742x = 2,202,256 - Step 5: Solve for x
x = 2,202,256/742 - Step 6: Final answer
x = 2,968
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Why These Related Problems?
These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.