Finding the Third Proportional to 4,989.23 and 8,315.09
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Solution
The third proportional to 4,989.23 and 8,315.09 is: 13,857.97
Step by Step Solution
- Step 1: Write the proportion equation
4,989.23 : 8,315.09 = 8,315.09 : x - Step 2: Convert to fraction form
4,989.23/8,315.09 = 8,315.09/x - Step 3: Cross multiply
4,989.23x = 8,315.09 × 8,315.09 - Step 4: Simplify right side
4,989.23x = 69,140,654.15 - Step 5: Solve for x
x = 69,140,654.15/4,989.23 - Step 6: Final answer
x = 13,857.97
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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.