Finding the Third Proportional to 11,053.13 and 15,405.19
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Solution
The third proportional to 11,053.13 and 15,405.19 is: 21,470.83
Step by Step Solution
- Step 1: Write the proportion equation
11,053.13 : 15,405.19 = 15,405.19 : x - Step 2: Convert to fraction form
11,053.13/15,405.19 = 15,405.19/x - Step 3: Cross multiply
11,053.13x = 15,405.19 × 15,405.19 - Step 4: Simplify right side
11,053.13x = 237,319,801.91 - Step 5: Solve for x
x = 237,319,801.91/11,053.13 - Step 6: Final answer
x = 21,470.83
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.