Finding the Third Proportional to 489,842.44 and 742,144.78
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Solution
The third proportional to 489,842.44 and 742,144.78 is: 1,124,400.08
Step by Step Solution
- Step 1: Write the proportion equation
489,842.44 : 742,144.78 = 742,144.78 : x - Step 2: Convert to fraction form
489,842.44/742,144.78 = 742,144.78/x - Step 3: Cross multiply
489,842.44x = 742,144.78 × 742,144.78 - Step 4: Simplify right side
489,842.44x = 550,778,876,336.61 - Step 5: Solve for x
x = 550,778,876,336.61/489,842.44 - Step 6: Final answer
x = 1,124,400.08
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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.