Finding the Third Proportional to 397,272.09 and 815,482.69
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Solution
The third proportional to 397,272.09 and 815,482.69 is: 1,673,945.95
Step by Step Solution
- Step 1: Write the proportion equation
397,272.09 : 815,482.69 = 815,482.69 : x - Step 2: Convert to fraction form
397,272.09/815,482.69 = 815,482.69/x - Step 3: Cross multiply
397,272.09x = 815,482.69 × 815,482.69 - Step 4: Simplify right side
397,272.09x = 665,012,013,612.22 - Step 5: Solve for x
x = 665,012,013,612.22/397,272.09 - Step 6: Final answer
x = 1,673,945.95
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.