Finding the Third Proportional to 359 and 429
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Solution
The third proportional to 359 and 429 is: 512.65
Step by Step Solution
- Step 1: Write the proportion equation
359 : 429 = 429 : x - Step 2: Convert to fraction form
359/429 = 429/x - Step 3: Cross multiply
359x = 429 × 429 - Step 4: Simplify right side
359x = 184,041 - Step 5: Solve for x
x = 184,041/359 - Step 6: Final answer
x = 512.65
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Why These Related Problems?
These problems maintain the same ratio (1.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.