Finding the Third Proportional to 2,985.75 and 4,245.75
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Solution
The third proportional to 2,985.75 and 4,245.75 is: 6,037.48
Step by Step Solution
- Step 1: Write the proportion equation
2,985.75 : 4,245.75 = 4,245.75 : x - Step 2: Convert to fraction form
2,985.75/4,245.75 = 4,245.75/x - Step 3: Cross multiply
2,985.75x = 4,245.75 × 4,245.75 - Step 4: Simplify right side
2,985.75x = 18,026,393.06 - Step 5: Solve for x
x = 18,026,393.06/2,985.75 - Step 6: Final answer
x = 6,037.48
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Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.