Finding the Third Proportional to 455,451.75 and 980,968.50
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Solution
The third proportional to 455,451.75 and 980,968.50 is: 2,112,845.54
Step by Step Solution
- Step 1: Write the proportion equation
455,451.75 : 980,968.50 = 980,968.50 : x - Step 2: Convert to fraction form
455,451.75/980,968.50 = 980,968.50/x - Step 3: Cross multiply
455,451.75x = 980,968.50 × 980,968.50 - Step 4: Simplify right side
455,451.75x = 962,299,197,992.25 - Step 5: Solve for x
x = 962,299,197,992.25/455,451.75 - Step 6: Final answer
x = 2,112,845.54
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.