Finding the Third Proportional to 422,407.13 and 874,739.81
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Solution
The third proportional to 422,407.13 and 874,739.81 is: 1,811,450.84
Step by Step Solution
- Step 1: Write the proportion equation
422,407.13 : 874,739.81 = 874,739.81 : x - Step 2: Convert to fraction form
422,407.13/874,739.81 = 874,739.81/x - Step 3: Cross multiply
422,407.13x = 874,739.81 × 874,739.81 - Step 4: Simplify right side
422,407.13x = 765,169,739,572.54 - Step 5: Solve for x
x = 765,169,739,572.54/422,407.13 - Step 6: Final answer
x = 1,811,450.84
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.