Finding the Third Proportional to 312,763.50 and 669,813.75
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Solution
The third proportional to 312,763.50 and 669,813.75 is: 1,434,471.92
Step by Step Solution
- Step 1: Write the proportion equation
312,763.50 : 669,813.75 = 669,813.75 : x - Step 2: Convert to fraction form
312,763.50/669,813.75 = 669,813.75/x - Step 3: Cross multiply
312,763.50x = 669,813.75 × 669,813.75 - Step 4: Simplify right side
312,763.50x = 448,650,459,689.06 - Step 5: Solve for x
x = 448,650,459,689.06/312,763.50 - Step 6: Final answer
x = 1,434,471.92
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.