Finding the Third Proportional to 210 and 368
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Solution
The third proportional to 210 and 368 is: 644.88
Step by Step Solution
- Step 1: Write the proportion equation
210 : 368 = 368 : x - Step 2: Convert to fraction form
210/368 = 368/x - Step 3: Cross multiply
210x = 368 × 368 - Step 4: Simplify right side
210x = 135,424 - Step 5: Solve for x
x = 135,424/210 - Step 6: Final answer
x = 644.88
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These problems maintain the same ratio (1.75) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.