Finding the Third Proportional to 74,859.19 and 153,210.94
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Solution
The third proportional to 74,859.19 and 153,210.94 is: 313,569.95
Step by Step Solution
- Step 1: Write the proportion equation
74,859.19 : 153,210.94 = 153,210.94 : x - Step 2: Convert to fraction form
74,859.19/153,210.94 = 153,210.94/x - Step 3: Cross multiply
74,859.19x = 153,210.94 × 153,210.94 - Step 4: Simplify right side
74,859.19x = 23,473,591,369.63 - Step 5: Solve for x
x = 23,473,591,369.63/74,859.19 - Step 6: Final answer
x = 313,569.95
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.