Finding the Third Proportional to 564 and 616.50
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Solution
The third proportional to 564 and 616.50 is: 673.89
Step by Step Solution
- Step 1: Write the proportion equation
564 : 616.50 = 616.50 : x - Step 2: Convert to fraction form
564/616.50 = 616.50/x - Step 3: Cross multiply
564x = 616.50 × 616.50 - Step 4: Simplify right side
564x = 380,072.25 - Step 5: Solve for x
x = 380,072.25/564 - Step 6: Final answer
x = 673.89
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Why These Related Problems?
These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.