Finding the Third Proportional to 295,128 and 645,660
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Solution
The third proportional to 295,128 and 645,660 is: 1,412,528.92
Step by Step Solution
- Step 1: Write the proportion equation
295,128 : 645,660 = 645,660 : x - Step 2: Convert to fraction form
295,128/645,660 = 645,660/x - Step 3: Cross multiply
295,128x = 645,660 × 645,660 - Step 4: Simplify right side
295,128x = 416,876,835,600 - Step 5: Solve for x
x = 416,876,835,600/295,128 - Step 6: Final answer
x = 1,412,528.92
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.