Finding the Third Proportional to 245 and 535.50
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Solution
The third proportional to 245 and 535.50 is: 1,170.45
Step by Step Solution
- Step 1: Write the proportion equation
245 : 535.50 = 535.50 : x - Step 2: Convert to fraction form
245/535.50 = 535.50/x - Step 3: Cross multiply
245x = 535.50 × 535.50 - Step 4: Simplify right side
245x = 286,760.25 - Step 5: Solve for x
x = 286,760.25/245 - Step 6: Final answer
x = 1,170.45
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.