Finding the Third Proportional to 422,237.81 and 654,778.69
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Solution
The third proportional to 422,237.81 and 654,778.69 is: 1,015,387.81
Step by Step Solution
- Step 1: Write the proportion equation
422,237.81 : 654,778.69 = 654,778.69 : x - Step 2: Convert to fraction form
422,237.81/654,778.69 = 654,778.69/x - Step 3: Cross multiply
422,237.81x = 654,778.69 × 654,778.69 - Step 4: Simplify right side
422,237.81x = 428,735,129,604.22 - Step 5: Solve for x
x = 428,735,129,604.22/422,237.81 - Step 6: Final answer
x = 1,015,387.81
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.