Finding the Third Proportional to 212,948 and 465,640
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Solution
The third proportional to 212,948 and 465,640 is: 1,018,185.71
Step by Step Solution
- Step 1: Write the proportion equation
212,948 : 465,640 = 465,640 : x - Step 2: Convert to fraction form
212,948/465,640 = 465,640/x - Step 3: Cross multiply
212,948x = 465,640 × 465,640 - Step 4: Simplify right side
212,948x = 216,820,609,600 - Step 5: Solve for x
x = 216,820,609,600/212,948 - Step 6: Final answer
x = 1,018,185.71
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.