Finding the Third Proportional to 212 and 358.50
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Solution
The third proportional to 212 and 358.50 is: 606.24
Step by Step Solution
- Step 1: Write the proportion equation
212 : 358.50 = 358.50 : x - Step 2: Convert to fraction form
212/358.50 = 358.50/x - Step 3: Cross multiply
212x = 358.50 × 358.50 - Step 4: Simplify right side
212x = 128,522.25 - Step 5: Solve for x
x = 128,522.25/212 - Step 6: Final answer
x = 606.24
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These problems maintain the same ratio (1.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.