Finding the Third Proportional to 687,968 and 1,459,190
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Solution
The third proportional to 687,968 and 1,459,190 is: 3,094,962.93
Step by Step Solution
- Step 1: Write the proportion equation
687,968 : 1,459,190 = 1,459,190 : x - Step 2: Convert to fraction form
687,968/1,459,190 = 1,459,190/x - Step 3: Cross multiply
687,968x = 1,459,190 × 1,459,190 - Step 4: Simplify right side
687,968x = 2,129,235,456,100 - Step 5: Solve for x
x = 2,129,235,456,100/687,968 - Step 6: Final answer
x = 3,094,962.93
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.