Finding the Third Proportional to 555 and 610.50
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Solution
The third proportional to 555 and 610.50 is: 671.55
Step by Step Solution
- Step 1: Write the proportion equation
555 : 610.50 = 610.50 : x - Step 2: Convert to fraction form
555/610.50 = 610.50/x - Step 3: Cross multiply
555x = 610.50 × 610.50 - Step 4: Simplify right side
555x = 372,710.25 - Step 5: Solve for x
x = 372,710.25/555 - Step 6: Final answer
x = 671.55
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Why These Related Problems?
These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.