Finding the Third Proportional to 210 and 385.50
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Solution
The third proportional to 210 and 385.50 is: 707.67
Step by Step Solution
- Step 1: Write the proportion equation
210 : 385.50 = 385.50 : x - Step 2: Convert to fraction form
210/385.50 = 385.50/x - Step 3: Cross multiply
210x = 385.50 × 385.50 - Step 4: Simplify right side
210x = 148,610.25 - Step 5: Solve for x
x = 148,610.25/210 - Step 6: Final answer
x = 707.67
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These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.