Finding the Third Proportional to 508 and 570
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Solution
The third proportional to 508 and 570 is: 639.57
Step by Step Solution
- Step 1: Write the proportion equation
508 : 570 = 570 : x - Step 2: Convert to fraction form
508/570 = 570/x - Step 3: Cross multiply
508x = 570 × 570 - Step 4: Simplify right side
508x = 324,900 - Step 5: Solve for x
x = 324,900/508 - Step 6: Final answer
x = 639.57
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Why These Related Problems?
These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.