Finding the Third Proportional to 21,192,570 and 45,619,713
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Solution
The third proportional to 21,192,570 and 45,619,713 is: 98,202,257.40
Step by Step Solution
- Step 1: Write the proportion equation
21,192,570 : 45,619,713 = 45,619,713 : x - Step 2: Convert to fraction form
21,192,570/45,619,713 = 45,619,713/x - Step 3: Cross multiply
21,192,570x = 45,619,713 × 45,619,713 - Step 4: Simplify right side
21,192,570x = 2,081,158,214,202,369 - Step 5: Solve for x
x = 2,081,158,214,202,369/21,192,570 - Step 6: Final answer
x = 98,202,257.40
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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.