Finding the Third Proportional to 299,622.38 and 643,713.75
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Solution
The third proportional to 299,622.38 and 643,713.75 is: 1,382,965.45
Step by Step Solution
- Step 1: Write the proportion equation
299,622.38 : 643,713.75 = 643,713.75 : x - Step 2: Convert to fraction form
299,622.38/643,713.75 = 643,713.75/x - Step 3: Cross multiply
299,622.38x = 643,713.75 × 643,713.75 - Step 4: Simplify right side
299,622.38x = 414,367,391,939.06 - Step 5: Solve for x
x = 414,367,391,939.06/299,622.38 - Step 6: Final answer
x = 1,382,965.45
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.