Finding the Third Proportional to 864 and 1,888.50
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Solution
The third proportional to 864 and 1,888.50 is: 4,127.82
Step by Step Solution
- Step 1: Write the proportion equation
864 : 1,888.50 = 1,888.50 : x - Step 2: Convert to fraction form
864/1,888.50 = 1,888.50/x - Step 3: Cross multiply
864x = 1,888.50 × 1,888.50 - Step 4: Simplify right side
864x = 3,566,432.25 - Step 5: Solve for x
x = 3,566,432.25/864 - Step 6: Final answer
x = 4,127.82
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.