Finding the Third Proportional to 121,209.75 and 264,451.50
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Solution
The third proportional to 121,209.75 and 264,451.50 is: 576,971.70
Step by Step Solution
- Step 1: Write the proportion equation
121,209.75 : 264,451.50 = 264,451.50 : x - Step 2: Convert to fraction form
121,209.75/264,451.50 = 264,451.50/x - Step 3: Cross multiply
121,209.75x = 264,451.50 × 264,451.50 - Step 4: Simplify right side
121,209.75x = 69,934,595,852.25 - Step 5: Solve for x
x = 69,934,595,852.25/121,209.75 - Step 6: Final answer
x = 576,971.70
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.