Finding the Third Proportional to 19,687,457 and 30,813,497
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Solution
The third proportional to 19,687,457 and 30,813,497 is: 48,227,234.09
Step by Step Solution
- Step 1: Write the proportion equation
19,687,457 : 30,813,497 = 30,813,497 : x - Step 2: Convert to fraction form
19,687,457/30,813,497 = 30,813,497/x - Step 3: Cross multiply
19,687,457x = 30,813,497 × 30,813,497 - Step 4: Simplify right side
19,687,457x = 949,471,597,369,009 - Step 5: Solve for x
x = 949,471,597,369,009/19,687,457 - Step 6: Final answer
x = 48,227,234.09
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.