Finding the Third Proportional to 305,997.75 and 668,720.81
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Solution
The third proportional to 305,997.75 and 668,720.81 is: 1,461,407.89
Step by Step Solution
- Step 1: Write the proportion equation
305,997.75 : 668,720.81 = 668,720.81 : x - Step 2: Convert to fraction form
305,997.75/668,720.81 = 668,720.81/x - Step 3: Cross multiply
305,997.75x = 668,720.81 × 668,720.81 - Step 4: Simplify right side
305,997.75x = 447,187,525,070.66 - Step 5: Solve for x
x = 447,187,525,070.66/305,997.75 - Step 6: Final answer
x = 1,461,407.89
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.