Finding the Third Proportional to 309,787.50 and 636,249.75
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Solution
The third proportional to 309,787.50 and 636,249.75 is: 1,306,746.54
Step by Step Solution
- Step 1: Write the proportion equation
309,787.50 : 636,249.75 = 636,249.75 : x - Step 2: Convert to fraction form
309,787.50/636,249.75 = 636,249.75/x - Step 3: Cross multiply
309,787.50x = 636,249.75 × 636,249.75 - Step 4: Simplify right side
309,787.50x = 404,813,744,375.06 - Step 5: Solve for x
x = 404,813,744,375.06/309,787.50 - Step 6: Final answer
x = 1,306,746.54
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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.