Finding the Third Proportional to 319,141.88 and 691,473.75
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Solution
The third proportional to 319,141.88 and 691,473.75 is: 1,498,192.45
Step by Step Solution
- Step 1: Write the proportion equation
319,141.88 : 691,473.75 = 691,473.75 : x - Step 2: Convert to fraction form
319,141.88/691,473.75 = 691,473.75/x - Step 3: Cross multiply
319,141.88x = 691,473.75 × 691,473.75 - Step 4: Simplify right side
319,141.88x = 478,135,946,939.06 - Step 5: Solve for x
x = 478,135,946,939.06/319,141.88 - Step 6: Final answer
x = 1,498,192.45
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.