Finding the Third Proportional to 72,705.50 and 158,943
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Solution
The third proportional to 72,705.50 and 158,943 is: 347,468.59
Step by Step Solution
- Step 1: Write the proportion equation
72,705.50 : 158,943 = 158,943 : x - Step 2: Convert to fraction form
72,705.50/158,943 = 158,943/x - Step 3: Cross multiply
72,705.50x = 158,943 × 158,943 - Step 4: Simplify right side
72,705.50x = 25,262,877,249 - Step 5: Solve for x
x = 25,262,877,249/72,705.50 - Step 6: Final answer
x = 347,468.59
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.