Finding the Third Proportional to 121,056.19 and 239,012.44
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Solution
The third proportional to 121,056.19 and 239,012.44 is: 471,904.38
Step by Step Solution
- Step 1: Write the proportion equation
121,056.19 : 239,012.44 = 239,012.44 : x - Step 2: Convert to fraction form
121,056.19/239,012.44 = 239,012.44/x - Step 3: Cross multiply
121,056.19x = 239,012.44 × 239,012.44 - Step 4: Simplify right side
121,056.19x = 57,126,945,279.69 - Step 5: Solve for x
x = 57,126,945,279.69/121,056.19 - Step 6: Final answer
x = 471,904.38
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Why These Related Problems?
These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.