Finding the Third Proportional to 1,998.42 and 3,127.99
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Solution
The third proportional to 1,998.42 and 3,127.99 is: 4,896.03
Step by Step Solution
- Step 1: Write the proportion equation
1,998.42 : 3,127.99 = 3,127.99 : x - Step 2: Convert to fraction form
1,998.42/3,127.99 = 3,127.99/x - Step 3: Cross multiply
1,998.42x = 3,127.99 × 3,127.99 - Step 4: Simplify right side
1,998.42x = 9,784,335.13 - Step 5: Solve for x
x = 9,784,335.13/1,998.42 - Step 6: Final answer
x = 4,896.03
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.