Finding the Third Proportional to 147,721.13 and 215,122.88
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Solution
The third proportional to 147,721.13 and 215,122.88 is: 313,278.49
Step by Step Solution
- Step 1: Write the proportion equation
147,721.13 : 215,122.88 = 215,122.88 : x - Step 2: Convert to fraction form
147,721.13/215,122.88 = 215,122.88/x - Step 3: Cross multiply
147,721.13x = 215,122.88 × 215,122.88 - Step 4: Simplify right side
147,721.13x = 46,277,851,348.27 - Step 5: Solve for x
x = 46,277,851,348.27/147,721.13 - Step 6: Final answer
x = 313,278.49
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.