Finding the Third Proportional to 640,806.75 and 1,364,436
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Solution
The third proportional to 640,806.75 and 1,364,436 is: 2,905,221.58
Step by Step Solution
- Step 1: Write the proportion equation
640,806.75 : 1,364,436 = 1,364,436 : x - Step 2: Convert to fraction form
640,806.75/1,364,436 = 1,364,436/x - Step 3: Cross multiply
640,806.75x = 1,364,436 × 1,364,436 - Step 4: Simplify right side
640,806.75x = 1,861,685,598,096 - Step 5: Solve for x
x = 1,861,685,598,096/640,806.75 - Step 6: Final answer
x = 2,905,221.58
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.