Finding the Third Proportional to 81,618.75 and 170,619.75
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Solution
The third proportional to 81,618.75 and 170,619.75 is: 356,671.71
Step by Step Solution
- Step 1: Write the proportion equation
81,618.75 : 170,619.75 = 170,619.75 : x - Step 2: Convert to fraction form
81,618.75/170,619.75 = 170,619.75/x - Step 3: Cross multiply
81,618.75x = 170,619.75 × 170,619.75 - Step 4: Simplify right side
81,618.75x = 29,111,099,090.06 - Step 5: Solve for x
x = 29,111,099,090.06/81,618.75 - Step 6: Final answer
x = 356,671.71
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These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.