Finding the Third Proportional to 156,917.25 and 386,916.75
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Solution
The third proportional to 156,917.25 and 386,916.75 is: 954,035.15
Step by Step Solution
- Step 1: Write the proportion equation
156,917.25 : 386,916.75 = 386,916.75 : x - Step 2: Convert to fraction form
156,917.25/386,916.75 = 386,916.75/x - Step 3: Cross multiply
156,917.25x = 386,916.75 × 386,916.75 - Step 4: Simplify right side
156,917.25x = 149,704,571,430.56 - Step 5: Solve for x
x = 149,704,571,430.56/156,917.25 - Step 6: Final answer
x = 954,035.15
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These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.