Finding the Third Proportional to 198,844,079 and 432,107,281
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Solution
The third proportional to 198,844,079 and 432,107,281 is: 939,010,621.95
Step by Step Solution
- Step 1: Write the proportion equation
198,844,079 : 432,107,281 = 432,107,281 : x - Step 2: Convert to fraction form
198,844,079/432,107,281 = 432,107,281/x - Step 3: Cross multiply
198,844,079x = 432,107,281 × 432,107,281 - Step 4: Simplify right side
198,844,079x = 186,716,702,293,212,960 - Step 5: Solve for x
x = 186,716,702,293,212,960/198,844,079 - Step 6: Final answer
x = 939,010,621.95
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.