Finding the Third Proportional to 313,120 and 485,040
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Solution
The third proportional to 313,120 and 485,040 is: 751,353.48
Step by Step Solution
- Step 1: Write the proportion equation
313,120 : 485,040 = 485,040 : x - Step 2: Convert to fraction form
313,120/485,040 = 485,040/x - Step 3: Cross multiply
313,120x = 485,040 × 485,040 - Step 4: Simplify right side
313,120x = 235,263,801,600 - Step 5: Solve for x
x = 235,263,801,600/313,120 - Step 6: Final answer
x = 751,353.48
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.