Finding the Third Proportional to 21,170 and 45,688
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Solution
The third proportional to 21,170 and 45,688 is: 98,601.48
Step by Step Solution
- Step 1: Write the proportion equation
21,170 : 45,688 = 45,688 : x - Step 2: Convert to fraction form
21,170/45,688 = 45,688/x - Step 3: Cross multiply
21,170x = 45,688 × 45,688 - Step 4: Simplify right side
21,170x = 2,087,393,344 - Step 5: Solve for x
x = 2,087,393,344/21,170 - Step 6: Final answer
x = 98,601.48
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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.