Finding the Third Proportional to 313,289.25 and 643,176.75
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Solution
The third proportional to 313,289.25 and 643,176.75 is: 1,320,429.39
Step by Step Solution
- Step 1: Write the proportion equation
313,289.25 : 643,176.75 = 643,176.75 : x - Step 2: Convert to fraction form
313,289.25/643,176.75 = 643,176.75/x - Step 3: Cross multiply
313,289.25x = 643,176.75 × 643,176.75 - Step 4: Simplify right side
313,289.25x = 413,676,331,740.56 - Step 5: Solve for x
x = 413,676,331,740.56/313,289.25 - Step 6: Final answer
x = 1,320,429.39
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.