Finding the Third Proportional to 1,728.42 and 2,740.08
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Solution
The third proportional to 1,728.42 and 2,740.08 is: 4,343.86
Step by Step Solution
- Step 1: Write the proportion equation
1,728.42 : 2,740.08 = 2,740.08 : x - Step 2: Convert to fraction form
1,728.42/2,740.08 = 2,740.08/x - Step 3: Cross multiply
1,728.42x = 2,740.08 × 2,740.08 - Step 4: Simplify right side
1,728.42x = 7,508,028.13 - Step 5: Solve for x
x = 7,508,028.13/1,728.42 - Step 6: Final answer
x = 4,343.86
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.