Finding the Third Proportional to 7,720,836 and 15,247,896
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Solution
The third proportional to 7,720,836 and 15,247,896 is: 30,113,103.35
Step by Step Solution
- Step 1: Write the proportion equation
7,720,836 : 15,247,896 = 15,247,896 : x - Step 2: Convert to fraction form
7,720,836/15,247,896 = 15,247,896/x - Step 3: Cross multiply
7,720,836x = 15,247,896 × 15,247,896 - Step 4: Simplify right side
7,720,836x = 232,498,332,426,816 - Step 5: Solve for x
x = 232,498,332,426,816/7,720,836 - Step 6: Final answer
x = 30,113,103.35
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Why These Related Problems?
These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.