Finding the Third Proportional to 429 and 920.50
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Solution
The third proportional to 429 and 920.50 is: 1,975.11
Step by Step Solution
- Step 1: Write the proportion equation
429 : 920.50 = 920.50 : x - Step 2: Convert to fraction form
429/920.50 = 920.50/x - Step 3: Cross multiply
429x = 920.50 × 920.50 - Step 4: Simplify right side
429x = 847,320.25 - Step 5: Solve for x
x = 847,320.25/429 - Step 6: Final answer
x = 1,975.11
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.