Finding the Third Proportional to 489,769.50 and 742,046.75
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Solution
The third proportional to 489,769.50 and 742,046.75 is: 1,124,270.46
Step by Step Solution
- Step 1: Write the proportion equation
489,769.50 : 742,046.75 = 742,046.75 : x - Step 2: Convert to fraction form
489,769.50/742,046.75 = 742,046.75/x - Step 3: Cross multiply
489,769.50x = 742,046.75 × 742,046.75 - Step 4: Simplify right side
489,769.50x = 550,633,379,185.56 - Step 5: Solve for x
x = 550,633,379,185.56/489,769.50 - Step 6: Final answer
x = 1,124,270.46
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.