Finding the Third Proportional to 63 and 88.31
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Solution
The third proportional to 63 and 88.31 is: 123.80
Step by Step Solution
- Step 1: Write the proportion equation
63 : 88.31 = 88.31 : x - Step 2: Convert to fraction form
63/88.31 = 88.31/x - Step 3: Cross multiply
63x = 88.31 × 88.31 - Step 4: Simplify right side
63x = 7,799.10 - Step 5: Solve for x
x = 7,799.10/63 - Step 6: Final answer
x = 123.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.