Finding the Third Proportional to 7,989,731 and 17,470,450
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Solution
The third proportional to 7,989,731 and 17,470,450 is: 38,201,113.81
Step by Step Solution
- Step 1: Write the proportion equation
7,989,731 : 17,470,450 = 17,470,450 : x - Step 2: Convert to fraction form
7,989,731/17,470,450 = 17,470,450/x - Step 3: Cross multiply
7,989,731x = 17,470,450 × 17,470,450 - Step 4: Simplify right side
7,989,731x = 305,216,623,202,500 - Step 5: Solve for x
x = 305,216,623,202,500/7,989,731 - Step 6: Final answer
x = 38,201,113.81
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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.