Finding the Third Proportional to 76,389.75 and 164,481.75
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Solution
The third proportional to 76,389.75 and 164,481.75 is: 354,160.68
Step by Step Solution
- Step 1: Write the proportion equation
76,389.75 : 164,481.75 = 164,481.75 : x - Step 2: Convert to fraction form
76,389.75/164,481.75 = 164,481.75/x - Step 3: Cross multiply
76,389.75x = 164,481.75 × 164,481.75 - Step 4: Simplify right side
76,389.75x = 27,054,246,083.06 - Step 5: Solve for x
x = 27,054,246,083.06/76,389.75 - Step 6: Final answer
x = 354,160.68
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.