Finding the Third Proportional to 569 and 615
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Solution
The third proportional to 569 and 615 is: 664.72
Step by Step Solution
- Step 1: Write the proportion equation
569 : 615 = 615 : x - Step 2: Convert to fraction form
569/615 = 615/x - Step 3: Cross multiply
569x = 615 × 615 - Step 4: Simplify right side
569x = 378,225 - Step 5: Solve for x
x = 378,225/569 - Step 6: Final answer
x = 664.72
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Why These Related Problems?
These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.