Finding the Third Proportional to 191,562,318 and 420,207,405
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Solution
The third proportional to 191,562,318 and 420,207,405 is: 921,758,856.65
Step by Step Solution
- Step 1: Write the proportion equation
191,562,318 : 420,207,405 = 420,207,405 : x - Step 2: Convert to fraction form
191,562,318/420,207,405 = 420,207,405/x - Step 3: Cross multiply
191,562,318x = 420,207,405 × 420,207,405 - Step 4: Simplify right side
191,562,318x = 176,574,263,216,834,016 - Step 5: Solve for x
x = 176,574,263,216,834,016/191,562,318 - Step 6: Final answer
x = 921,758,856.65
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.