Finding the Third Proportional to 988 and 2,088.50
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Solution
The third proportional to 988 and 2,088.50 is: 4,414.81
Step by Step Solution
- Step 1: Write the proportion equation
988 : 2,088.50 = 2,088.50 : x - Step 2: Convert to fraction form
988/2,088.50 = 2,088.50/x - Step 3: Cross multiply
988x = 2,088.50 × 2,088.50 - Step 4: Simplify right side
988x = 4,361,832.25 - Step 5: Solve for x
x = 4,361,832.25/988 - Step 6: Final answer
x = 4,414.81
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.