Finding the Third Proportional to 19,440 and 26,784
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Solution
The third proportional to 19,440 and 26,784 is: 36,902.40
Step by Step Solution
- Step 1: Write the proportion equation
19,440 : 26,784 = 26,784 : x - Step 2: Convert to fraction form
19,440/26,784 = 26,784/x - Step 3: Cross multiply
19,440x = 26,784 × 26,784 - Step 4: Simplify right side
19,440x = 717,382,656 - Step 5: Solve for x
x = 717,382,656/19,440 - Step 6: Final answer
x = 36,902.40
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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.