Finding the Third Proportional to 891 and 985.50
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Solution
The third proportional to 891 and 985.50 is: 1,090.02
Step by Step Solution
- Step 1: Write the proportion equation
891 : 985.50 = 985.50 : x - Step 2: Convert to fraction form
891/985.50 = 985.50/x - Step 3: Cross multiply
891x = 985.50 × 985.50 - Step 4: Simplify right side
891x = 971,210.25 - Step 5: Solve for x
x = 971,210.25/891 - Step 6: Final answer
x = 1,090.02
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Why These Related Problems?
These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.