Finding the Third Proportional to 306 and 476
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Solution
The third proportional to 306 and 476 is: 740.44
Step by Step Solution
- Step 1: Write the proportion equation
306 : 476 = 476 : x - Step 2: Convert to fraction form
306/476 = 476/x - Step 3: Cross multiply
306x = 476 × 476 - Step 4: Simplify right side
306x = 226,576 - Step 5: Solve for x
x = 226,576/306 - Step 6: Final answer
x = 740.44
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.