Finding the Third Proportional to 138,622.50 and 202,990.50
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Solution
The third proportional to 138,622.50 and 202,990.50 is: 297,247.15
Step by Step Solution
- Step 1: Write the proportion equation
138,622.50 : 202,990.50 = 202,990.50 : x - Step 2: Convert to fraction form
138,622.50/202,990.50 = 202,990.50/x - Step 3: Cross multiply
138,622.50x = 202,990.50 × 202,990.50 - Step 4: Simplify right side
138,622.50x = 41,205,143,090.25 - Step 5: Solve for x
x = 41,205,143,090.25/138,622.50 - Step 6: Final answer
x = 297,247.15
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.