Finding the Third Proportional to 74,778.75 and 161,295.75
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Solution
The third proportional to 74,778.75 and 161,295.75 is: 347,910.59
Step by Step Solution
- Step 1: Write the proportion equation
74,778.75 : 161,295.75 = 161,295.75 : x - Step 2: Convert to fraction form
74,778.75/161,295.75 = 161,295.75/x - Step 3: Cross multiply
74,778.75x = 161,295.75 × 161,295.75 - Step 4: Simplify right side
74,778.75x = 26,016,318,968.06 - Step 5: Solve for x
x = 26,016,318,968.06/74,778.75 - Step 6: Final answer
x = 347,910.59
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.