Finding the Third Proportional to 81,030,286 and 177,809,700
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Solution
The third proportional to 81,030,286 and 177,809,700 is: 390,178,672.38
Step by Step Solution
- Step 1: Write the proportion equation
81,030,286 : 177,809,700 = 177,809,700 : x - Step 2: Convert to fraction form
81,030,286/177,809,700 = 177,809,700/x - Step 3: Cross multiply
81,030,286x = 177,809,700 × 177,809,700 - Step 4: Simplify right side
81,030,286x = 31,616,289,414,090,000 - Step 5: Solve for x
x = 31,616,289,414,090,000/81,030,286 - Step 6: Final answer
x = 390,178,672.38
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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.