Finding the Third Proportional to 62 and 64.50
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Solution
The third proportional to 62 and 64.50 is: 67.10
Step by Step Solution
- Step 1: Write the proportion equation
62 : 64.50 = 64.50 : x - Step 2: Convert to fraction form
62/64.50 = 64.50/x - Step 3: Cross multiply
62x = 64.50 × 64.50 - Step 4: Simplify right side
62x = 4,160.25 - Step 5: Solve for x
x = 4,160.25/62 - Step 6: Final answer
x = 67.10
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Why These Related Problems?
These problems maintain the same ratio (1.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.