Finding the Third Proportional to 105,720.19 and 161,929.13
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Solution
The third proportional to 105,720.19 and 161,929.13 is: 248,023.03
Step by Step Solution
- Step 1: Write the proportion equation
105,720.19 : 161,929.13 = 161,929.13 : x - Step 2: Convert to fraction form
105,720.19/161,929.13 = 161,929.13/x - Step 3: Cross multiply
105,720.19x = 161,929.13 × 161,929.13 - Step 4: Simplify right side
105,720.19x = 26,221,041,523.27 - Step 5: Solve for x
x = 26,221,041,523.27/105,720.19 - Step 6: Final answer
x = 248,023.03
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.