Finding the Third Proportional to 420 and 606
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Solution
The third proportional to 420 and 606 is: 874.37
Step by Step Solution
- Step 1: Write the proportion equation
420 : 606 = 606 : x - Step 2: Convert to fraction form
420/606 = 606/x - Step 3: Cross multiply
420x = 606 × 606 - Step 4: Simplify right side
420x = 367,236 - Step 5: Solve for x
x = 367,236/420 - Step 6: Final answer
x = 874.37
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.