Finding the Third Proportional to 3,121.91 and 6,688.02
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Solution
The third proportional to 3,121.91 and 6,688.02 is: 14,327.64
Step by Step Solution
- Step 1: Write the proportion equation
3,121.91 : 6,688.02 = 6,688.02 : x - Step 2: Convert to fraction form
3,121.91/6,688.02 = 6,688.02/x - Step 3: Cross multiply
3,121.91x = 6,688.02 × 6,688.02 - Step 4: Simplify right side
3,121.91x = 44,729,605.25 - Step 5: Solve for x
x = 44,729,605.25/3,121.91 - Step 6: Final answer
x = 14,327.64
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.