Finding the Third Proportional to 124.50 and 249
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Solution
The third proportional to 124.50 and 249 is: 498
Step by Step Solution
- Step 1: Write the proportion equation
124.50 : 249 = 249 : x - Step 2: Convert to fraction form
124.50/249 = 249/x - Step 3: Cross multiply
124.50x = 249 × 249 - Step 4: Simplify right side
124.50x = 62,001 - Step 5: Solve for x
x = 62,001/124.50 - Step 6: Final answer
x = 498
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Half scale
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Why These Related Problems?
These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.