Finding the Third Proportional to 299,445.75 and 645,729.75
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Solution
The third proportional to 299,445.75 and 645,729.75 is: 1,392,462.27
Step by Step Solution
- Step 1: Write the proportion equation
299,445.75 : 645,729.75 = 645,729.75 : x - Step 2: Convert to fraction form
299,445.75/645,729.75 = 645,729.75/x - Step 3: Cross multiply
299,445.75x = 645,729.75 × 645,729.75 - Step 4: Simplify right side
299,445.75x = 416,966,910,035.06 - Step 5: Solve for x
x = 416,966,910,035.06/299,445.75 - Step 6: Final answer
x = 1,392,462.27
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.