Finding the Third Proportional to 198,269,884 and 431,814,584
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Solution
The third proportional to 198,269,884 and 431,814,584 is: 940,454,652.99
Step by Step Solution
- Step 1: Write the proportion equation
198,269,884 : 431,814,584 = 431,814,584 : x - Step 2: Convert to fraction form
198,269,884/431,814,584 = 431,814,584/x - Step 3: Cross multiply
198,269,884x = 431,814,584 × 431,814,584 - Step 4: Simplify right side
198,269,884x = 186,463,834,955,093,056 - Step 5: Solve for x
x = 186,463,834,955,093,056/198,269,884 - Step 6: Final answer
x = 940,454,652.99
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.