Finding the Third Proportional to 13,739.63 and 15,521.63
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Solution
The third proportional to 13,739.63 and 15,521.63 is: 17,534.75
Step by Step Solution
- Step 1: Write the proportion equation
13,739.63 : 15,521.63 = 15,521.63 : x - Step 2: Convert to fraction form
13,739.63/15,521.63 = 15,521.63/x - Step 3: Cross multiply
13,739.63x = 15,521.63 × 15,521.63 - Step 4: Simplify right side
13,739.63x = 240,920,842.64 - Step 5: Solve for x
x = 240,920,842.64/13,739.63 - Step 6: Final answer
x = 17,534.75
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Why These Related Problems?
These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.