Finding the Third Proportional to 892,670 and 1,379,211
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Solution
The third proportional to 892,670 and 1,379,211 is: 2,130,936.38
Step by Step Solution
- Step 1: Write the proportion equation
892,670 : 1,379,211 = 1,379,211 : x - Step 2: Convert to fraction form
892,670/1,379,211 = 1,379,211/x - Step 3: Cross multiply
892,670x = 1,379,211 × 1,379,211 - Step 4: Simplify right side
892,670x = 1,902,222,982,521 - Step 5: Solve for x
x = 1,902,222,982,521/892,670 - Step 6: Final answer
x = 2,130,936.38
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.