Finding the Third Proportional to 196,524,253 and 420,655,493
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Solution
The third proportional to 196,524,253 and 420,655,493 is: 900,403,085.57
Step by Step Solution
- Step 1: Write the proportion equation
196,524,253 : 420,655,493 = 420,655,493 : x - Step 2: Convert to fraction form
196,524,253/420,655,493 = 420,655,493/x - Step 3: Cross multiply
196,524,253x = 420,655,493 × 420,655,493 - Step 4: Simplify right side
196,524,253x = 176,951,043,791,073,056 - Step 5: Solve for x
x = 176,951,043,791,073,056/196,524,253 - Step 6: Final answer
x = 900,403,085.57
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.