Finding the Third Proportional to 21,631.50 and 46,719
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Solution
The third proportional to 21,631.50 and 46,719 is: 100,902.15
Step by Step Solution
- Step 1: Write the proportion equation
21,631.50 : 46,719 = 46,719 : x - Step 2: Convert to fraction form
21,631.50/46,719 = 46,719/x - Step 3: Cross multiply
21,631.50x = 46,719 × 46,719 - Step 4: Simplify right side
21,631.50x = 2,182,664,961 - Step 5: Solve for x
x = 2,182,664,961/21,631.50 - Step 6: Final answer
x = 100,902.15
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.