Finding the Third Proportional to 68,166.75 and 145,809.75
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Solution
The third proportional to 68,166.75 and 145,809.75 is: 311,889.35
Step by Step Solution
- Step 1: Write the proportion equation
68,166.75 : 145,809.75 = 145,809.75 : x - Step 2: Convert to fraction form
68,166.75/145,809.75 = 145,809.75/x - Step 3: Cross multiply
68,166.75x = 145,809.75 × 145,809.75 - Step 4: Simplify right side
68,166.75x = 21,260,483,195.06 - Step 5: Solve for x
x = 21,260,483,195.06/68,166.75 - Step 6: Final answer
x = 311,889.35
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.