Finding the Third Proportional to 74,916.75 and 163,638.75
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Solution
The third proportional to 74,916.75 and 163,638.75 is: 357,431.96
Step by Step Solution
- Step 1: Write the proportion equation
74,916.75 : 163,638.75 = 163,638.75 : x - Step 2: Convert to fraction form
74,916.75/163,638.75 = 163,638.75/x - Step 3: Cross multiply
74,916.75x = 163,638.75 × 163,638.75 - Step 4: Simplify right side
74,916.75x = 26,777,640,501.56 - Step 5: Solve for x
x = 26,777,640,501.56/74,916.75 - Step 6: Final answer
x = 357,431.96
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.