Finding the Third Proportional to 7,220,206 and 15,857,414
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Solution
The third proportional to 7,220,206 and 15,857,414 is: 34,826,925.82
Step by Step Solution
- Step 1: Write the proportion equation
7,220,206 : 15,857,414 = 15,857,414 : x - Step 2: Convert to fraction form
7,220,206/15,857,414 = 15,857,414/x - Step 3: Cross multiply
7,220,206x = 15,857,414 × 15,857,414 - Step 4: Simplify right side
7,220,206x = 251,457,578,767,396 - Step 5: Solve for x
x = 251,457,578,767,396/7,220,206 - Step 6: Final answer
x = 34,826,925.82
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.