Finding the Third Proportional to 470 and 608
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Solution
The third proportional to 470 and 608 is: 786.52
Step by Step Solution
- Step 1: Write the proportion equation
470 : 608 = 608 : x - Step 2: Convert to fraction form
470/608 = 608/x - Step 3: Cross multiply
470x = 608 × 608 - Step 4: Simplify right side
470x = 369,664 - Step 5: Solve for x
x = 369,664/470 - Step 6: Final answer
x = 786.52
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These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.