Finding the Third Proportional to 664,416 and 1,422,937
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Solution
The third proportional to 664,416 and 1,422,937 is: 3,047,412.62
Step by Step Solution
- Step 1: Write the proportion equation
664,416 : 1,422,937 = 1,422,937 : x - Step 2: Convert to fraction form
664,416/1,422,937 = 1,422,937/x - Step 3: Cross multiply
664,416x = 1,422,937 × 1,422,937 - Step 4: Simplify right side
664,416x = 2,024,749,705,969 - Step 5: Solve for x
x = 2,024,749,705,969/664,416 - Step 6: Final answer
x = 3,047,412.62
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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.