Finding the Third Proportional to 5,642.81 and 8,732.81
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Solution
The third proportional to 5,642.81 and 8,732.81 is: 13,514.89
Step by Step Solution
- Step 1: Write the proportion equation
5,642.81 : 8,732.81 = 8,732.81 : x - Step 2: Convert to fraction form
5,642.81/8,732.81 = 8,732.81/x - Step 3: Cross multiply
5,642.81x = 8,732.81 × 8,732.81 - Step 4: Simplify right side
5,642.81x = 76,262,014.16 - Step 5: Solve for x
x = 76,262,014.16/5,642.81 - Step 6: Final answer
x = 13,514.89
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.