Finding the Third Proportional to 73,968.19 and 161,929.13
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Solution
The third proportional to 73,968.19 and 161,929.13 is: 354,490.79
Step by Step Solution
- Step 1: Write the proportion equation
73,968.19 : 161,929.13 = 161,929.13 : x - Step 2: Convert to fraction form
73,968.19/161,929.13 = 161,929.13/x - Step 3: Cross multiply
73,968.19x = 161,929.13 × 161,929.13 - Step 4: Simplify right side
73,968.19x = 26,221,041,523.27 - Step 5: Solve for x
x = 26,221,041,523.27/73,968.19 - Step 6: Final answer
x = 354,490.79
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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.