Finding the Third Proportional to 315,472.50 and 476,970.75
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Solution
The third proportional to 315,472.50 and 476,970.75 is: 721,143.99
Step by Step Solution
- Step 1: Write the proportion equation
315,472.50 : 476,970.75 = 476,970.75 : x - Step 2: Convert to fraction form
315,472.50/476,970.75 = 476,970.75/x - Step 3: Cross multiply
315,472.50x = 476,970.75 × 476,970.75 - Step 4: Simplify right side
315,472.50x = 227,501,096,355.56 - Step 5: Solve for x
x = 227,501,096,355.56/315,472.50 - Step 6: Final answer
x = 721,143.99
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.