Finding the Third Proportional to 490,074.75 and 770,145.75
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Solution
The third proportional to 490,074.75 and 770,145.75 is: 1,210,273.49
Step by Step Solution
- Step 1: Write the proportion equation
490,074.75 : 770,145.75 = 770,145.75 : x - Step 2: Convert to fraction form
490,074.75/770,145.75 = 770,145.75/x - Step 3: Cross multiply
490,074.75x = 770,145.75 × 770,145.75 - Step 4: Simplify right side
490,074.75x = 593,124,476,243.06 - Step 5: Solve for x
x = 593,124,476,243.06/490,074.75 - Step 6: Final answer
x = 1,210,273.49
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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.