Finding the Third Proportional to 636 and 1,507
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Solution
The third proportional to 636 and 1,507 is: 3,570.83
Step by Step Solution
- Step 1: Write the proportion equation
636 : 1,507 = 1,507 : x - Step 2: Convert to fraction form
636/1,507 = 1,507/x - Step 3: Cross multiply
636x = 1,507 × 1,507 - Step 4: Simplify right side
636x = 2,271,049 - Step 5: Solve for x
x = 2,271,049/636 - Step 6: Final answer
x = 3,570.83
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These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.