Finding the Third Proportional to 729 and 928.50
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Solution
The third proportional to 729 and 928.50 is: 1,182.60
Step by Step Solution
- Step 1: Write the proportion equation
729 : 928.50 = 928.50 : x - Step 2: Convert to fraction form
729/928.50 = 928.50/x - Step 3: Cross multiply
729x = 928.50 × 928.50 - Step 4: Simplify right side
729x = 862,112.25 - Step 5: Solve for x
x = 862,112.25/729 - Step 6: Final answer
x = 1,182.60
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Why These Related Problems?
These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.