Finding the Third Proportional to 489,944.25 and 769,911.75
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Solution
The third proportional to 489,944.25 and 769,911.75 is: 1,209,860.31
Step by Step Solution
- Step 1: Write the proportion equation
489,944.25 : 769,911.75 = 769,911.75 : x - Step 2: Convert to fraction form
489,944.25/769,911.75 = 769,911.75/x - Step 3: Cross multiply
489,944.25x = 769,911.75 × 769,911.75 - Step 4: Simplify right side
489,944.25x = 592,764,102,788.06 - Step 5: Solve for x
x = 592,764,102,788.06/489,944.25 - Step 6: Final answer
x = 1,209,860.31
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.