Finding the Third Proportional to 550 and 805.50
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Solution
The third proportional to 550 and 805.50 is: 1,179.69
Step by Step Solution
- Step 1: Write the proportion equation
550 : 805.50 = 805.50 : x - Step 2: Convert to fraction form
550/805.50 = 805.50/x - Step 3: Cross multiply
550x = 805.50 × 805.50 - Step 4: Simplify right side
550x = 648,830.25 - Step 5: Solve for x
x = 648,830.25/550 - Step 6: Final answer
x = 1,179.69
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.