Finding the Third Proportional to 460,741.50 and 721,191.09
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Solution
The third proportional to 460,741.50 and 721,191.09 is: 1,128,868.56
Step by Step Solution
- Step 1: Write the proportion equation
460,741.50 : 721,191.09 = 721,191.09 : x - Step 2: Convert to fraction form
460,741.50/721,191.09 = 721,191.09/x - Step 3: Cross multiply
460,741.50x = 721,191.09 × 721,191.09 - Step 4: Simplify right side
460,741.50x = 520,116,593,704.32 - Step 5: Solve for x
x = 520,116,593,704.32/460,741.50 - Step 6: Final answer
x = 1,128,868.56
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.