Finding the Third Proportional to 189,351.75 and 414,915.75
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Solution
The third proportional to 189,351.75 and 414,915.75 is: 909,181.35
Step by Step Solution
- Step 1: Write the proportion equation
189,351.75 : 414,915.75 = 414,915.75 : x - Step 2: Convert to fraction form
189,351.75/414,915.75 = 414,915.75/x - Step 3: Cross multiply
189,351.75x = 414,915.75 × 414,915.75 - Step 4: Simplify right side
189,351.75x = 172,155,079,598.06 - Step 5: Solve for x
x = 172,155,079,598.06/189,351.75 - Step 6: Final answer
x = 909,181.35
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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.