Finding the Third Proportional to 99,320,538.88 and 213,820,351.75
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Solution
The third proportional to 99,320,538.88 and 213,820,351.75 is: 460,319,117.68
Step by Step Solution
- Step 1: Write the proportion equation
99,320,538.88 : 213,820,351.75 = 213,820,351.75 : x - Step 2: Convert to fraction form
99,320,538.88/213,820,351.75 = 213,820,351.75/x - Step 3: Cross multiply
99,320,538.88x = 213,820,351.75 × 213,820,351.75 - Step 4: Simplify right side
99,320,538.88x = 45,719,142,822,493,728 - Step 5: Solve for x
x = 45,719,142,822,493,728/99,320,538.88 - Step 6: Final answer
x = 460,319,117.68
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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.