Finding the Third Proportional to 1,665.75 and 2,489.63
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Solution
The third proportional to 1,665.75 and 2,489.63 is: 3,720.99
Step by Step Solution
- Step 1: Write the proportion equation
1,665.75 : 2,489.63 = 2,489.63 : x - Step 2: Convert to fraction form
1,665.75/2,489.63 = 2,489.63/x - Step 3: Cross multiply
1,665.75x = 2,489.63 × 2,489.63 - Step 4: Simplify right side
1,665.75x = 6,198,232.64 - Step 5: Solve for x
x = 6,198,232.64/1,665.75 - Step 6: Final answer
x = 3,720.99
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.