Finding the Third Proportional to 678,844.13 and 935,112.09
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Solution
The third proportional to 678,844.13 and 935,112.09 is: 1,288,122.85
Step by Step Solution
- Step 1: Write the proportion equation
678,844.13 : 935,112.09 = 935,112.09 : x - Step 2: Convert to fraction form
678,844.13/935,112.09 = 935,112.09/x - Step 3: Cross multiply
678,844.13x = 935,112.09 × 935,112.09 - Step 4: Simplify right side
678,844.13x = 874,434,627,877.51 - Step 5: Solve for x
x = 874,434,627,877.51/678,844.13 - Step 6: Final answer
x = 1,288,122.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.