Finding the Third Proportional to 339,916.50 and 500,478.75
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Solution
The third proportional to 339,916.50 and 500,478.75 is: 736,883.85
Step by Step Solution
- Step 1: Write the proportion equation
339,916.50 : 500,478.75 = 500,478.75 : x - Step 2: Convert to fraction form
339,916.50/500,478.75 = 500,478.75/x - Step 3: Cross multiply
339,916.50x = 500,478.75 × 500,478.75 - Step 4: Simplify right side
339,916.50x = 250,478,979,201.56 - Step 5: Solve for x
x = 250,478,979,201.56/339,916.50 - Step 6: Final answer
x = 736,883.85
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.