Finding the Third Proportional to 314,092 and 690,388
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Solution
The third proportional to 314,092 and 690,388 is: 1,517,503.12
Step by Step Solution
- Step 1: Write the proportion equation
314,092 : 690,388 = 690,388 : x - Step 2: Convert to fraction form
314,092/690,388 = 690,388/x - Step 3: Cross multiply
314,092x = 690,388 × 690,388 - Step 4: Simplify right side
314,092x = 476,635,590,544 - Step 5: Solve for x
x = 476,635,590,544/314,092 - Step 6: Final answer
x = 1,517,503.12
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.