Finding the Third Proportional to 455,905.13 and 990,451.13
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Solution
The third proportional to 455,905.13 and 990,451.13 is: 2,151,749.08
Step by Step Solution
- Step 1: Write the proportion equation
455,905.13 : 990,451.13 = 990,451.13 : x - Step 2: Convert to fraction form
455,905.13/990,451.13 = 990,451.13/x - Step 3: Cross multiply
455,905.13x = 990,451.13 × 990,451.13 - Step 4: Simplify right side
455,905.13x = 980,993,431,013.77 - Step 5: Solve for x
x = 980,993,431,013.77/455,905.13 - Step 6: Final answer
x = 2,151,749.08
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.