Finding the Third Proportional to 460,015.50 and 990,015
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Solution
The third proportional to 460,015.50 and 990,015 is: 2,130,644.95
Step by Step Solution
- Step 1: Write the proportion equation
460,015.50 : 990,015 = 990,015 : x - Step 2: Convert to fraction form
460,015.50/990,015 = 990,015/x - Step 3: Cross multiply
460,015.50x = 990,015 × 990,015 - Step 4: Simplify right side
460,015.50x = 980,129,700,225 - Step 5: Solve for x
x = 980,129,700,225/460,015.50 - Step 6: Final answer
x = 2,130,644.95
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.