Finding the Third Proportional to 306,519.75 and 668,211.75
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Solution
The third proportional to 306,519.75 and 668,211.75 is: 1,456,698.77
Step by Step Solution
- Step 1: Write the proportion equation
306,519.75 : 668,211.75 = 668,211.75 : x - Step 2: Convert to fraction form
306,519.75/668,211.75 = 668,211.75/x - Step 3: Cross multiply
306,519.75x = 668,211.75 × 668,211.75 - Step 4: Simplify right side
306,519.75x = 446,506,942,838.06 - Step 5: Solve for x
x = 446,506,942,838.06/306,519.75 - Step 6: Final answer
x = 1,456,698.77
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.