Finding the Third Proportional to 312,201 and 676,890.75
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Solution
The third proportional to 312,201 and 676,890.75 is: 1,467,583.66
Step by Step Solution
- Step 1: Write the proportion equation
312,201 : 676,890.75 = 676,890.75 : x - Step 2: Convert to fraction form
312,201/676,890.75 = 676,890.75/x - Step 3: Cross multiply
312,201x = 676,890.75 × 676,890.75 - Step 4: Simplify right side
312,201x = 458,181,087,435.56 - Step 5: Solve for x
x = 458,181,087,435.56/312,201 - Step 6: Final answer
x = 1,467,583.66
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.