Finding the Third Proportional to 988.50 and 1,830
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Solution
The third proportional to 988.50 and 1,830 is: 3,387.86
Step by Step Solution
- Step 1: Write the proportion equation
988.50 : 1,830 = 1,830 : x - Step 2: Convert to fraction form
988.50/1,830 = 1,830/x - Step 3: Cross multiply
988.50x = 1,830 × 1,830 - Step 4: Simplify right side
988.50x = 3,348,900 - Step 5: Solve for x
x = 3,348,900/988.50 - Step 6: Final answer
x = 3,387.86
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Why These Related Problems?
These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.